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ac-decomp/src/c_keyframe.c
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Cuyler36 cee5936d37 Match ac_my_room_move.c_inc
2024-04-12 06:06:24 -04:00

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#include "c_keyframe.h"
#include "MSL_C/w_math.h"
#include "graph.h"
#include "libultra/libultra.h"
#include "sys_math3d.h"
#include "sys_matrix.h"
/**
* Resets and initializes a frame control structure with default parameters.
* Sets all numerical properties to 1.0f and mode to cKF_FRAMECONTROL_STOP.
*
* @param frame_control Pointer to the frame control structure.
*/
static void cKF_FrameControl_zeroClera(cKF_FrameControl_c* frame_control) {
bzero(frame_control, sizeof(cKF_FrameControl_c));
frame_control->max_frames = 1.0f;
frame_control->current_frame = 1.0f;
frame_control->speed = 1.0f;
frame_control->end_frame = 1.0f;
frame_control->start_frame = 1.0f;
frame_control->mode = cKF_FRAMECONTROL_STOP;
}
/**
* Initializes a frame control structure.
* Wrapper for cKF_FrameControl_zeroClera to provide a clear constructor interface.
*
* @param frame_control Pointer to the frame control structure to initialize.
*/
static void cKF_FrameControl_ct(cKF_FrameControl_c* frame_control) {
cKF_FrameControl_zeroClera(frame_control);
}
/**
* Sets the frame control parameters for an animation sequence.
*
* @param frame_control Pointer to the frame control structure.
* @param start_frame Starting frame of the animation sequence.
* @param end_frame Ending frame of the animation sequence; if less than 1.0f, max_frames is used.
* @param max_frames Maximum number of frames in the animation sequence.
* @param current_frame The current frame number in the animation sequence.
* @param speed The speed at which the animation should play.
* @param mode The mode of the animation (e.g., stop, repeat).
*/
static void cKF_FrameControl_setFrame(cKF_FrameControl_c* frame_control, f32 start_frame, f32 end_frame, f32 max_frames,
f32 current_frame, f32 speed, int mode) {
frame_control->start_frame = start_frame;
if (end_frame < 1.0f) {
frame_control->end_frame = max_frames;
} else {
frame_control->end_frame = end_frame;
}
frame_control->max_frames = max_frames;
frame_control->speed = speed;
frame_control->current_frame = current_frame;
frame_control->mode = mode;
}
/**
* Checks if the current frame is within a certain range and calculates the overshoot.
*
* @param fc Pointer to the frame control structure.
* @param current The target frame to compare against the current frame.
* @param out Pointer to a float where the overshoot amount will be stored.
* @return Returns 1 if within the range and adjustments were made, 0 otherwise.
*/
static int cKF_FrameControl_passCheck(cKF_FrameControl_c* fc, f32 current, f32* out) {
f32 cur;
f32 speed;
*out = 0.0f;
cur = fc->current_frame;
if (cur == current) {
return 0;
}
speed = (fc->start_frame < fc->end_frame) ? fc->speed : -fc->speed;
// Check if current frame within target range considering speed
if ((speed >= 0.0f && cur < current && cur + speed >= current) ||
(speed < 0.0f && cur > current && cur + speed <= current)) {
*out = cur + speed - current; // Calculate overshoot
return 1;
}
return 0;
}
extern int cKF_FrameControl_passCheck_now(cKF_FrameControl_c* fc, f32 current) {
f32 cur = fc->current_frame;
f32 speed;
int ret = 0;
if (cur != current) {
speed = (fc->start_frame < fc->end_frame) ? fc->speed : -fc->speed;
if ((speed >= 0.0f && cur >= current && cur - speed < current) ||
(speed < 0.0f && cur <= current && cur - speed > current)) {
ret = 1;
}
} else {
ret = 1;
}
return ret;
}
extern int cKF_FrameControl_stop_proc(cKF_FrameControl_c* fc) {
f32 out;
if (fc->current_frame == fc->end_frame) {
return cKF_STATE_STOPPED;
}
if (cKF_FrameControl_passCheck(fc, fc->end_frame, &out)) {
fc->current_frame = fc->end_frame;
return cKF_STATE_STOPPED;
}
if (cKF_FrameControl_passCheck(fc, fc->start_frame, &out)) {
fc->current_frame = fc->end_frame;
return cKF_STATE_STOPPED;
}
return cKF_STATE_NONE;
}
/**
* Repeats animation by looping from start to end frame.
*
* Loops the current frame back to the start or end, based on the animation's progression,
* allowing for continuous playback.
*
* @param fc Pointer to the frame control structure.
* @return cKF_STATE_CONTINUE if animation continues; cKF_STATE_NONE otherwise.
*/
static int cKF_FrameControl_repeat_proc(cKF_FrameControl_c* fc) {
f32 out;
if (cKF_FrameControl_passCheck(fc, fc->end_frame, &out)) {
fc->current_frame = fc->start_frame + out;
return cKF_STATE_CONTINUE;
}
if (cKF_FrameControl_passCheck(fc, fc->start_frame, &out)) {
fc->current_frame = fc->end_frame + out;
return cKF_STATE_CONTINUE;
}
return cKF_STATE_NONE;
}
/**
* Plays animation based on current mode.
*
* Updates current frame according to animation speed and mode, ensuring playback within
* the animation's frame range.
*
* @param fc Pointer to the frame control structure.
* @return Animation state after update.
*/
static int cKF_FrameControl_play(cKF_FrameControl_c* fc) {
int rec;
f32 frame;
if (fc->mode == cKF_FRAMECONTROL_STOP) {
rec = cKF_FrameControl_stop_proc(fc);
} else {
rec = cKF_FrameControl_repeat_proc(fc);
}
if (rec == cKF_STATE_NONE) {
frame = (fc->start_frame < fc->end_frame) ? fc->speed : -fc->speed;
fc->current_frame += frame;
}
if (fc->current_frame < 1.0f) {
fc->current_frame = (fc->current_frame - 1.0f) + fc->max_frames;
} else if (fc->current_frame > fc->max_frames) {
fc->current_frame = (fc->current_frame - fc->max_frames) + 1.0f;
}
return rec;
}
extern f32 cKF_HermitCalc(f32 time, f32 tension, f32 startPos, f32 endPos, f32 startTangent, f32 endTangent) {
f32 position;
f32 timeSquared;
f32 timeCubed;
f32 basisH10;
f32 basisH11;
timeSquared = time * time;
timeCubed = timeSquared * time;
position = -(timeCubed * 2.0f) + (3.0f * timeSquared);
basisH10 = time + (timeCubed - (timeSquared * 2.0f));
basisH11 = timeCubed - timeSquared;
return (((1.0f - position) * startPos) + (position * endPos)) +
(tension * ((basisH10 * startTangent) + (basisH11 * endTangent)));
}
typedef struct {
s16 frame;
s16 value;
s16 tangent;
} cKF_AnimKey_c;
/**
* Calculates keyframe value based on frame position within keyframe data.
*
* Interpolates or directly retrieves the y-component of a keyframe based on the given frame number.
* Uses linear or Hermite interpolation depending on the proximity of frame to keyframe positions.
*
* @param start_idx Starting index of the keyframe data.
* @param n_frames Number of frames in the keyframe sequence.
* @param data_src Pointer to the keyframe data source.
* @param frame Current frame number for which to calculate the keyframe value.
* @return Interpolated or directly retrieved keyframe value.
*/
static s16 cKF_KeyCalc(s16 start_idx, s16 n_frames, s16* data_src, f32 frame) {
int now;
int next;
cKF_AnimKey_c* key_p = (cKF_AnimKey_c*)&data_src[start_idx * 3];
/* If the first frame is greater than the current frame then the first value is held */
if (key_p[0].frame >= frame) {
return key_p[0].value;
}
/* If the current frame is greater than the last frame then the last value is held */
if (key_p[n_frames - 1].frame <= frame) {
return key_p[n_frames - 1].value;
}
// Search through all frames
now = 0;
next = 1;
while (TRUE) {
if (key_p[next].frame > frame) {
f32 delta_frame = key_p[next].frame - key_p[now].frame;
if (!(F32_IS_ZERO(delta_frame))) {
f32 t = (frame - key_p[now].frame) / delta_frame; // progress towards the next frame
f32 tension = delta_frame * (1.0f / 30.0f);
f32 calc = cKF_HermitCalc(t, tension, key_p[now].value, key_p[next].value, key_p[now].tangent,
key_p[next].tangent);
int key = calc + 0.5; // Always round up
return key;
} else {
return key_p[now].value;
}
}
now++;
next++;
}
}
extern void cKF_SkeletonInfo_subRotInterpolation(f32 t, s16* out, s16 rot1, s16 rot2) {
u16 urot1 = rot1;
s32 pad;
u16 urot2 = rot2;
f32 f1 = rot1;
f32 signedDiff = rot2 - f1;
f32 f2 = urot1;
f32 unsignedDiff = urot2 - f2;
if (fabsf(signedDiff) < fabsf(unsignedDiff)) {
*out = f1 + signedDiff * t;
} else {
*out = f2 + unsignedDiff * t;
}
}
/**
* Morphs current state towards a target state with a given step size.
*
* Adjusts 'now' values towards 'target' values based on 'step', performing this operation
* for three consecutive s16 values (x->y->z) starting from 'now' and 'target'.
*
* @param now Pointer to the current values.
* @param target Pointer to the target values to morph towards.
* @param step Fractional step size for morphing.
*/
static void cKF_SkeletonInfo_morphST(s16* now, s16* target, f32 step) {
int i;
for (i = 0; i < 3; i++) {
if (*now != *target) {
f32 now_f = (f32)*now;
f32 target_f = (f32)*target;
f32 diff = (target_f - now_f);
*now = (diff * step) + now_f;
}
now++;
target++;
}
}
/**
* Zeroes out and initializes a skeleton info structure.
*
* Clears all data within cKF_SkeletonInfo_R_c structure, effectively resetting it.
*
* @param keyframe Pointer to the skeleton info structure to be cleared.
*/
static void cKF_SkeletonInfo_R_zeroClear(cKF_SkeletonInfo_R_c* keyframe) {
bzero(keyframe, sizeof(cKF_SkeletonInfo_R_c));
}
extern void cKF_SkeletonInfo_R_ct(cKF_SkeletonInfo_R_c* keyframe, cKF_Skeleton_R_c* skeleton,
cKF_Animation_R_c* animation, s_xyz* work_table, s_xyz* target_table) {
cKF_SkeletonInfo_R_zeroClear(keyframe);
cKF_FrameControl_ct(&keyframe->frame_control);
keyframe->skeleton = skeleton;
keyframe->animation = animation;
keyframe->current_joint = work_table;
keyframe->target_joint = target_table;
}
extern void cKF_SkeletonInfo_R_dt(cKF_SkeletonInfo_R_c* keyframe) {
}
extern void cKF_SkeletonInfo_R_init_standard_stop(cKF_SkeletonInfo_R_c* keyframe, cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, 1.0f, 0.5f, 0.0f,
cKF_FRAMECONTROL_STOP, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_standard_stop_morph(cKF_SkeletonInfo_R_c* keyframe, cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 morph) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, 1.0f, 0.5f, morph,
cKF_FRAMECONTROL_STOP, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_standard_repeat(cKF_SkeletonInfo_R_c* keyframe, cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, 1.0f, 0.5f, 0.0f,
cKF_FRAMECONTROL_REPEAT, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_standard_repeat_morph(cKF_SkeletonInfo_R_c* keyframe, cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 morph) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, 1.0f, 0.5f, morph,
cKF_FRAMECONTROL_REPEAT, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init(cKF_SkeletonInfo_R_c* keyframe, cKF_Skeleton_R_c* skeleton,
cKF_Animation_R_c* animation, f32 start_frame, f32 end_frame, f32 current_frame,
f32 frame_speed, f32 morph_counter, int mode, s_xyz* rotation_diff_table) {
keyframe->morph_counter = morph_counter;
keyframe->skeleton = skeleton;
keyframe->animation = animation;
cKF_FrameControl_setFrame(&keyframe->frame_control, start_frame, end_frame, keyframe->animation->frames,
current_frame, frame_speed, mode);
keyframe->rotation_diff_table = rotation_diff_table;
}
/**
* Morphs joint positions towards target positions based on the morph counter.
*
* Adjusts each joint's position in the skeleton towards its target position using interpolation,
* based on a calculated step size derived from the morph counter. If the morph counter is zero,
* no morphing occurs.
*
* @param keyframe Pointer to the skeleton info structure containing joint and target positions.
*/
static void cKF_SkeletonInfo_R_morphJoint(cKF_SkeletonInfo_R_c* keyframe) {
f32 step;
int i;
s_xyz* current_joint = keyframe->current_joint;
s_xyz* target_joint = keyframe->target_joint;
if (!(F32_IS_ZERO(keyframe->morph_counter))) {
step = 0.5f / fabsf(keyframe->morph_counter);
} else {
step = 0.0f;
}
cKF_SkeletonInfo_morphST(&current_joint->x, &target_joint->x, step);
current_joint++;
target_joint++;
for (i = 0; i < keyframe->skeleton->num_joints; i++) {
s16 next_joint_x = current_joint->x;
s16 next_target_x = target_joint->x;
s16 next_joint_y = current_joint->y;
s16 next_joint_z = current_joint->z;
s16 next_target_y = target_joint->y;
s16 next_target_z = target_joint->z;
if (next_joint_x != next_target_x || next_joint_y != next_target_y || next_joint_z != next_target_z) {
f32 difxyz = fabsf((f32)next_target_x - (f32)next_joint_x) + fabsf((f32)next_target_y - (f32)next_joint_y) +
fabsf((f32)next_target_z - (f32)next_joint_z);
s16 temp_vec_x = 0x7FFF + next_joint_x;
s16 temp_vec_y = 0x7FFF - next_joint_y;
s16 temp_vec_z = 0x7FFF + next_joint_z;
f32 dif_xyz2 = fabsf((f32)next_target_x - (f32)temp_vec_x) + fabsf((f32)next_target_y - (f32)temp_vec_y) +
fabsf((f32)next_target_z - (f32)temp_vec_z);
if (difxyz < dif_xyz2) {
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->x, next_joint_x, next_target_x);
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->y, next_joint_y, next_target_y);
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->z, next_joint_z, next_target_z);
} else {
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->x, temp_vec_x, next_target_x);
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->y, temp_vec_y, next_target_y);
cKF_SkeletonInfo_subRotInterpolation(step, &current_joint->z, temp_vec_z, next_target_z);
}
}
target_joint++;
current_joint++;
}
}
/**
* Retrieves the flag table from an animation structure.
*
* Provides direct access to the flag table indicating the state or properties of each frame
* or keyframe in the animation sequence.
*
* @param keyframe Pointer to the animation structure.
* @return Pointer to the flag table.
*/
inline u8* cKF_Animation_R_getFlagTable(cKF_Animation_R_c* keyframe) {
return keyframe->flag_table;
}
/**
* Retrieves the fixed table from an animation structure.
*
* Provides direct access to the fixed table containing fixed values used in the animation,
* possibly for static or non-interpolated properties.
*
* @param keyframe Pointer to the animation structure.
* @return Pointer to the fixed table.
*/
inline s16* cKF_Animation_R_getFixedTable(cKF_Animation_R_c* keyframe) {
return keyframe->fixed_table;
}
/**
* Retrieves the key table from an animation structure.
*
* Provides direct access to the key table containing key points used for interpolating
* animation values.
*
* @param keyframe Pointer to the animation structure.
* @return Pointer to the key table.
*/
inline s16* cKF_Animation_R_getKeyTable(cKF_Animation_R_c* keyframe) {
return keyframe->key_table;
}
/**
* Retrieves the data table from an animation structure.
*
* Provides direct access to the data table containing all numerical data points used for
* animating properties over time.
*
* @param keyframe Pointer to the animation structure.
* @return Pointer to the data table.
*/
inline s16* cKF_Animation_R_getDataTable(cKF_Animation_R_c* keyframe) {
return keyframe->data_table;
}
extern int cKF_SkeletonInfo_R_play(cKF_SkeletonInfo_R_c* keyframe) {
int state;
int jointIndex;
s_xyz* currentJointPtr;
s16 fixedJointValue;
s16* currentJointValue;
cKF_Animation_R_c* animationData;
int component;
f32 adjustedJointValue;
int keyTableIndex = 0;
int fixedTableIndex = 0;
int dataIndex = 0;
// Choose between current and target joint based on morph counter
s16* jointValuePtr =
(F32_IS_ZERO(keyframe->morph_counter)) ? &keyframe->current_joint->x : &keyframe->target_joint->x;
u32 jointFlag = cKF_ANIMATION_BIT_TRANS_X; // Check translation (xyz)
// Retrieve animation tables
s16* fixedTable = cKF_Animation_R_getFixedTable(keyframe->animation);
s16* keyTable = cKF_Animation_R_getKeyTable(keyframe->animation);
s16* dataTable = cKF_Animation_R_getDataTable(keyframe->animation);
u8* flagTable = cKF_Animation_R_getFlagTable(keyframe->animation);
// Process root translation x -> y -> z
for (component = 0; component < 3; component++) {
if (flagTable[0] & jointFlag) {
// Apply joint translation
*jointValuePtr =
cKF_KeyCalc(dataIndex, keyTable[keyTableIndex], dataTable, keyframe->frame_control.current_frame);
dataIndex += keyTable[keyTableIndex++];
} else {
// Use fixed value if not flagged for keyframe animation
*jointValuePtr = fixedTable[fixedTableIndex++];
}
jointFlag >>= 1; // Shift x -> y -> z
jointValuePtr++; // Move to next joint
}
// Process remaining joint rotations
for (jointIndex = 0; jointIndex < keyframe->skeleton->num_joints; jointIndex++) {
jointFlag = cKF_ANIMATION_BIT_ROT_X; // Reset flag for new joint
// Process each joint x -> y -> z
for (component = 0; component < 3; component++) {
// Similar logic to above, but for each joint in the skeleton
if (jointFlag & flagTable[jointIndex]) {
*jointValuePtr =
cKF_KeyCalc(dataIndex, keyTable[keyTableIndex], dataTable, keyframe->frame_control.current_frame);
dataIndex += keyTable[keyTableIndex++];
} else {
*jointValuePtr = fixedTable[fixedTableIndex++];
}
// Convert joint value to fixed-point format after scaling
jointFlag >>= 1; // Shift flag for next component x -> y -> z
// Reduce the value by 90% and clamp to [0, 360) degrees converted back to binangle (s16)
// This effectively limits any joint's maximum rotation to be in the range of [-36.8, 36.7] degrees
adjustedJointValue = *jointValuePtr * 0.1f;
*jointValuePtr++ = DEG2SHORT_ANGLE(MOD_F(adjustedJointValue, 360.0f));
}
}
// Apply rotation differences if available
if (keyframe->rotation_diff_table != NULL) {
currentJointPtr = (F32_IS_ZERO(keyframe->morph_counter)) ? keyframe->current_joint : keyframe->target_joint;
currentJointPtr++; // Skip first joint, usually root, which is handled separately
for (component = 0; component < keyframe->skeleton->num_joints; component++) {
// Apply rotation differences to each joint
currentJointPtr->x += keyframe->rotation_diff_table[component].x;
currentJointPtr->y += keyframe->rotation_diff_table[component].y;
currentJointPtr->z += keyframe->rotation_diff_table[component].z;
currentJointPtr++; // Move to next joint
}
}
// Handle morphing and play control based on morph counter
if (F32_IS_ZERO(keyframe->morph_counter)) {
// Play normally if no morphing is needed
state = cKF_FrameControl_play(&keyframe->frame_control);
} else if (keyframe->morph_counter > 0.0f) {
// Morph towards target, decreasing morph counter
cKF_SkeletonInfo_R_morphJoint(keyframe);
keyframe->morph_counter -= 0.5f;
if (keyframe->morph_counter <= 0.0f) {
keyframe->morph_counter = 0.0f; // Clamp to zero if over-decremented
}
state = cKF_STATE_NONE;
} else {
// Morph from target, increasing morph counter towards zero
cKF_SkeletonInfo_R_morphJoint(keyframe);
keyframe->morph_counter += 0.5f;
if (keyframe->morph_counter >= 0.0f) {
keyframe->morph_counter = 0.0f; // Clamp to zero if over-incremented
}
state = cKF_FrameControl_play(&keyframe->frame_control);
}
return state;
}
extern void cKF_Si3_draw_SV_R_child(GAME* game, cKF_SkeletonInfo_R_c* keyframe, int* joint_num,
cKF_draw_callback prerender_callback, cKF_draw_callback postrender_callback,
void* arg, Mtx** mtxpp) {
int i;
int an_flag;
Gfx* joint_m;
Gfx* mjoint_m;
u8 joint_f;
xyz_t trans;
s_xyz joint1;
cKF_Joint_R_c* skel_c_joint;
s_xyz* cur_joint;
GRAPH* graph;
skel_c_joint = keyframe->skeleton->joint_table;
skel_c_joint += *joint_num;
cur_joint = &keyframe->current_joint[*joint_num];
if (*joint_num != 0) {
// Since we have joints, take the current joint's translation
trans.x = skel_c_joint->translation.x;
trans.y = skel_c_joint->translation.y;
trans.z = skel_c_joint->translation.z;
} else {
// No joints, take the base model translation w/ respect to flags
an_flag = keyframe->animation_enabled;
if (an_flag & cKF_ANIMATION_TRANS_XZ) {
trans.x = keyframe->base_model_translation.x;
trans.z = keyframe->base_model_translation.z;
} else {
trans.x = cur_joint->x;
trans.z = cur_joint->z;
}
if (an_flag & cKF_ANIMATION_TRANS_Y) {
trans.y = keyframe->base_model_translation.y;
} else {
trans.y = cur_joint->y;
}
}
joint1 = cur_joint[1];
if ((joint_num[0] == 0) && (keyframe->animation_enabled & cKF_ANIMATION_ROT_X)) {
joint1.x = keyframe->base_model_rotation.x;
joint1.y = keyframe->updated_base_model_rotation.y;
joint1.z = keyframe->updated_base_model_rotation.z;
}
graph = game->graph;
OPEN_DISP(graph);
Matrix_push();
joint_m = skel_c_joint->model;
mjoint_m = joint_m;
joint_f = skel_c_joint->flags;
// Render joint if prerender callback wasn't supplied or the callback does not return FALSE
if ((prerender_callback == NULL) ||
((prerender_callback != NULL) &&
prerender_callback(game, keyframe, *joint_num, &mjoint_m, &joint_f, arg, &joint1, &trans) != FALSE)) {
Matrix_softcv3_mult(&trans, &joint1);
if (mjoint_m != NULL) {
_Matrix_to_Mtx(*mtxpp);
if (joint_f & cKF_JOINT_FLAG_DISP_XLU) {
// Joint translated & drawn in XLU display list
gSPMatrix(NOW_POLY_XLU_DISP++, *mtxpp, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
gSPDisplayList(NOW_POLY_XLU_DISP++, mjoint_m);
} else {
// Joint translated & drawin OPA display list
gSPMatrix(NOW_POLY_OPA_DISP++, *mtxpp, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
gSPDisplayList(NOW_POLY_OPA_DISP++, mjoint_m);
}
mtxpp[0]++;
} else if (joint_m != NULL) {
// Joint has a rendered model but the prerender callback chose not to render it
// so we apply the translation still
_Matrix_to_Mtx(*mtxpp);
gSPMatrix(NOW_POLY_OPA_DISP++, *mtxpp, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
mtxpp[0]++;
}
}
CLOSE_DISP(graph);
// Call postrender callback if supplied
if (postrender_callback != NULL) {
postrender_callback(game, keyframe, *joint_num, &mjoint_m, &joint_f, arg, &joint1, &trans);
}
joint_num[0]++; // Move onto next joint
// Render all children
for (i = 0; i < skel_c_joint->child; i++) {
cKF_Si3_draw_SV_R_child(game, keyframe, joint_num, prerender_callback, postrender_callback, arg, mtxpp);
}
// Remove the effect of this joint's translation & rotatation
Matrix_pull();
}
extern void cKF_Si3_draw_R_SV(GAME* game, cKF_SkeletonInfo_R_c* keyframe, Mtx* mtxp,
cKF_draw_callback prerender_callback, cKF_draw_callback postrender_callback, void* arg) {
int joint_num;
Mtx* mtx_p = mtxp;
if (mtxp != NULL) {
GRAPH* graph = game->graph;
OPEN_DISP(graph);
/* TODO: these should probably be made into a custom macro somewhere */
gSPSegment(NOW_POLY_OPA_DISP++, G_MWO_SEGMENT_D,
mtx_p); // Load matrix (opaque)
gSPSegment(NOW_POLY_XLU_DISP++, G_MWO_SEGMENT_D,
mtx_p); // Load matrix (translucent)
CLOSE_DISP(graph);
joint_num = 0;
cKF_Si3_draw_SV_R_child(game, keyframe, &joint_num, prerender_callback, postrender_callback, arg, &mtx_p);
}
}
extern void cKF_SkeletonInfo_R_init_standard_repeat_speedsetandmorph(cKF_SkeletonInfo_R_c* keyframe,
cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 frame_speed,
f32 morph_counter) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, 1.0f, frame_speed,
morph_counter, cKF_FRAMECONTROL_REPEAT, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_standard_repeat_setframeandspeedandmorph(cKF_SkeletonInfo_R_c* keyframe,
cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 frame,
f32 frame_speed, f32 morph_counter) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, frame, frame_speed,
morph_counter, cKF_FRAMECONTROL_REPEAT, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_standard_setframeandspeedandmorphandmode(cKF_SkeletonInfo_R_c* keyframe,
cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 frame,
f32 frame_speed, f32 morph_counter,
int mode) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, 1.0f, animation->frames, frame, frame_speed,
morph_counter, mode, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_init_reverse_setspeedandmorphandmode(cKF_SkeletonInfo_R_c* keyframe,
cKF_Animation_R_c* animation,
s_xyz* rotation_diff_table, f32 frame_speed,
f32 morph_counter, int mode) {
cKF_SkeletonInfo_R_init(keyframe, keyframe->skeleton, animation, animation->frames, 1.0f, animation->frames,
frame_speed, morph_counter, mode, rotation_diff_table);
}
extern void cKF_SkeletonInfo_R_combine_work_set(cKF_SkeletonInfo_R_combine_work_c* combine,
cKF_SkeletonInfo_R_c* keyframe) {
combine->keyframe = keyframe;
combine->anm_const_val_tbl = keyframe->animation->fixed_table;
combine->anm_key_num = keyframe->animation->key_table;
combine->anm_data_src = keyframe->animation->data_table;
combine->anm_check_bit_tbl = keyframe->animation->flag_table;
combine->anm_key_num_idx = 0;
combine->anm_const_val_tbl_idx = 0;
combine->anm_data_src_idx = 0;
}
extern void cKF_SkeletonInfo_R_combine_translation(s16** joint, int* flag, cKF_SkeletonInfo_R_combine_work_c* combine,
s8* cwork_num) {
int i = 0;
for (i; i < 3; i++) {
switch (*cwork_num) {
case 0:
if (*combine[0].anm_check_bit_tbl & *flag) {
(**joint) =
cKF_KeyCalc(combine[0].anm_data_src_idx, combine[0].anm_key_num[combine[0].anm_key_num_idx],
combine[0].anm_data_src, combine[0].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[0].anm_const_val_tbl[combine[0].anm_const_val_tbl_idx];
}
break;
case 1:
if (*combine[1].anm_check_bit_tbl & *flag) {
(**joint) =
cKF_KeyCalc(combine[1].anm_data_src_idx, combine[1].anm_key_num[combine[1].anm_key_num_idx],
combine[1].anm_data_src, combine[1].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[1].anm_const_val_tbl[combine[1].anm_const_val_tbl_idx];
}
break;
case 2:
if (*combine[2].anm_check_bit_tbl & *flag) {
(**joint) =
cKF_KeyCalc(combine[2].anm_data_src_idx, combine[2].anm_key_num[combine[2].anm_key_num_idx],
combine[2].anm_data_src, combine[2].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[2].anm_const_val_tbl[combine[2].anm_const_val_tbl_idx];
}
break;
}
if (*combine[0].anm_check_bit_tbl & *flag) {
combine[0].anm_data_src_idx += combine[0].anm_key_num[combine[0].anm_key_num_idx];
combine[0].anm_key_num_idx++;
} else {
combine[0].anm_const_val_tbl_idx++;
}
if (*combine[1].anm_check_bit_tbl & *flag) {
combine[1].anm_data_src_idx += combine[1].anm_key_num[combine[1].anm_key_num_idx];
combine[1].anm_key_num_idx++;
} else {
combine[1].anm_const_val_tbl_idx++;
}
if (*combine[2].anm_check_bit_tbl & *flag) {
combine[2].anm_data_src_idx += combine[2].anm_key_num[combine[2].anm_key_num_idx];
combine[2].anm_key_num_idx++;
} else {
combine[2].anm_const_val_tbl_idx++;
}
*flag = (u32)*flag >> 1;
*joint += 1;
}
}
extern void cKF_SkeletonInfo_R_combine_rotation(s16** joint, int* flag, cKF_SkeletonInfo_R_combine_work_c* combine,
s8* cwork_num) {
int i = 0;
int j;
s16* temp;
f32 calc_joint;
for (i; i < combine->keyframe->skeleton->num_joints; i++) {
*flag = 4;
for (j = 0; j < 3; j++) {
switch (cwork_num[i + 1]) {
case 0:
if (*flag & combine[0].anm_check_bit_tbl[i]) {
(**joint) =
cKF_KeyCalc(combine[0].anm_data_src_idx, combine[0].anm_key_num[combine[0].anm_key_num_idx],
combine[0].anm_data_src, combine[0].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[0].anm_const_val_tbl[combine[0].anm_const_val_tbl_idx];
}
break;
case 1:
if (*flag & combine[1].anm_check_bit_tbl[i]) {
(**joint) =
cKF_KeyCalc(combine[1].anm_data_src_idx, combine[1].anm_key_num[combine[1].anm_key_num_idx],
combine[1].anm_data_src, combine[1].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[1].anm_const_val_tbl[combine[1].anm_const_val_tbl_idx];
}
break;
case 2:
if (*flag & combine[2].anm_check_bit_tbl[i]) {
(**joint) =
cKF_KeyCalc(combine[2].anm_data_src_idx, combine[2].anm_key_num[combine[2].anm_key_num_idx],
combine[2].anm_data_src, combine[2].keyframe->frame_control.current_frame);
} else {
(**joint) = combine[2].anm_const_val_tbl[combine[2].anm_const_val_tbl_idx];
}
break;
}
if (*flag & combine[0].anm_check_bit_tbl[i]) {
combine[0].anm_data_src_idx += combine[0].anm_key_num[combine[0].anm_key_num_idx];
combine[0].anm_key_num_idx++;
} else {
combine[0].anm_const_val_tbl_idx++;
}
if (*flag & combine[1].anm_check_bit_tbl[i]) {
combine[1].anm_data_src_idx += combine[1].anm_key_num[combine[1].anm_key_num_idx];
combine[1].anm_key_num_idx++;
} else {
combine[1].anm_const_val_tbl_idx++;
}
if (*flag & combine[2].anm_check_bit_tbl[i]) {
combine[2].anm_data_src_idx += combine[2].anm_key_num[combine[2].anm_key_num_idx];
combine[2].anm_key_num_idx++;
} else {
combine[2].anm_const_val_tbl_idx++;
}
temp = *joint;
calc_joint = 0.1f * (*temp);
**joint = (s16)(int)((calc_joint - ((f32)(int)(calc_joint * 0.0027777778f) * 360.0f)) * 182.04445f);
*flag = (u32)*flag >> 1;
*joint += 1;
}
}
}
extern int cKF_SkeletonInfo_R_combine_play(cKF_SkeletonInfo_R_c* info1, cKF_SkeletonInfo_R_c* info2, s8* flag) {
int combinet;
s16* joint;
cKF_SkeletonInfo_R_combine_work_c combine1;
cKF_SkeletonInfo_R_combine_work_c combine2;
cKF_SkeletonInfo_R_combine_work_c combine3;
int i;
int j;
s_xyz* joint2;
s_xyz* applyjoint;
if ((info1 == NULL) || (info2 == NULL) || (flag == NULL)) {
return 0;
}
joint = (F32_IS_ZERO(info1->morph_counter)) ? &info1->current_joint->x : &info1->target_joint->x;
if (info1 != NULL) {
cKF_SkeletonInfo_R_combine_work_set(&combine3, info1);
}
if (info2 != NULL) {
cKF_SkeletonInfo_R_combine_work_set(&combine2, info2);
cKF_SkeletonInfo_R_combine_work_set(&combine1, info2);
}
combinet = 0x20;
cKF_SkeletonInfo_R_combine_translation(&joint, &combinet, &combine3, flag);
cKF_SkeletonInfo_R_combine_rotation(&joint, &combinet, &combine3, flag);
if (info1->rotation_diff_table != NULL) {
applyjoint = (F32_IS_ZERO(info1->morph_counter)) ? info1->current_joint : info1->target_joint;
applyjoint += 1;
for (i = 0, j = 0; i < info1->skeleton->num_joints; i++, j++) {
applyjoint->x += info1->rotation_diff_table[j].x;
applyjoint->y += info1->rotation_diff_table[j].y;
applyjoint->z += info1->rotation_diff_table[j].z;
applyjoint++;
}
}
if (F32_IS_ZERO(info1->morph_counter)) {
cKF_FrameControl_play(&info2->frame_control);
return cKF_FrameControl_play(&info1->frame_control);
}
if (info1->morph_counter > 0.0f) {
cKF_SkeletonInfo_R_morphJoint(info1);
info1->morph_counter -= 0.5f;
if (info1->morph_counter <= 0.0f) {
info1->morph_counter = 0.0f;
}
return 0;
}
cKF_SkeletonInfo_R_morphJoint(info1);
info1->morph_counter += 0.5f;
if (info1->morph_counter >= 0.0f) {
info1->morph_counter = 0.0f;
}
cKF_FrameControl_play(&info2->frame_control);
return cKF_FrameControl_play(&info1->frame_control);
}
extern void cKF_SkeletonInfo_R_T_combine_play(int* arg1, int* arg2, int* arg3, cKF_SkeletonInfo_R_c* info1,
cKF_SkeletonInfo_R_c* info2, cKF_SkeletonInfo_R_c* info3, s8* flag) {
int combinet;
s16* joint;
cKF_SkeletonInfo_R_combine_work_c combine1;
cKF_SkeletonInfo_R_combine_work_c combine2;
cKF_SkeletonInfo_R_combine_work_c combine3;
int i;
int j;
s_xyz* joint2;
s_xyz* applyjoint;
if ((info1 == NULL) || (info2 == NULL) || (info3 == NULL) || (flag == NULL)) {
return;
}
joint = (F32_IS_ZERO(info1->morph_counter)) ? &info1->current_joint->x : &info1->target_joint->x;
if (info1 != NULL) {
cKF_SkeletonInfo_R_combine_work_set(&combine3, info1);
}
if (info2 != NULL) {
cKF_SkeletonInfo_R_combine_work_set(&combine2, info2);
}
if (info3 != NULL) {
cKF_SkeletonInfo_R_combine_work_set(&combine1, info3);
}
combinet = 0x20;
cKF_SkeletonInfo_R_combine_translation(&joint, &combinet, &combine3, flag);
cKF_SkeletonInfo_R_combine_rotation(&joint, &combinet, &combine3, flag);
if (info1->rotation_diff_table != NULL) {
applyjoint = (F32_IS_ZERO(info1->morph_counter)) ? info1->current_joint : info1->target_joint;
applyjoint += 1;
for (i = 0, j = 0; i < info1->skeleton->num_joints; i++, j++) {
applyjoint->x += info1->rotation_diff_table[j].x;
applyjoint->y += info1->rotation_diff_table[j].y;
applyjoint->z += info1->rotation_diff_table[j].z;
applyjoint++;
}
}
if (F32_IS_ZERO(info1->morph_counter)) {
*arg1 = cKF_FrameControl_play(&info1->frame_control);
*arg2 = cKF_FrameControl_play(&info2->frame_control);
*arg3 = cKF_FrameControl_play(&info3->frame_control);
return;
}
if (info1->morph_counter > 0.0f) {
cKF_SkeletonInfo_R_morphJoint(info1);
info1->morph_counter -= 0.5f;
if (info1->morph_counter <= 0.0f) {
info1->morph_counter = 0.0f;
}
*arg1 = 0;
*arg2 = 0;
*arg3 = 0;
return;
}
cKF_SkeletonInfo_R_morphJoint(info1);
info1->morph_counter += 0.5f;
if (info1->morph_counter >= 0.0f) {
info1->morph_counter = 0.0f;
}
*arg1 = cKF_FrameControl_play(&info1->frame_control);
*arg2 = cKF_FrameControl_play(&info2->frame_control);
*arg3 = cKF_FrameControl_play(&info3->frame_control);
}
extern void cKF_SkeletonInfo_R_Animation_Set_base_shape_trs(cKF_SkeletonInfo_R_c* keyframe, f32 transx, f32 transy,
f32 transz, s16 anglex, s16 angley, s16 anglez) {
keyframe->base_model_translation.x = transx;
keyframe->base_model_translation.y = transy;
keyframe->base_model_translation.z = transz;
keyframe->base_model_rotation.x = anglex;
keyframe->updated_base_model_rotation.x = anglex;
keyframe->base_model_rotation.y = angley;
keyframe->updated_base_model_rotation.y = angley;
keyframe->base_model_rotation.z = anglez;
keyframe->updated_base_model_rotation.z = anglez;
}
extern void cKF_SkeletonInfo_R_AnimationMove_ct_base(f32 counter, xyz_t* basepos, xyz_t* correctpos, s16 ybase,
s16 yidle, cKF_SkeletonInfo_R_c* keyframe, int an_flag) {
int sub;
keyframe->animation_enabled = an_flag;
keyframe->fixed_counter = (counter >= 0.0f) ? counter : -counter;
keyframe->base_world_position = ZeroVec;
keyframe->model_world_position_correction = ZeroVec;
if (basepos != NULL) {
if (correctpos == NULL) {
correctpos = basepos;
}
if (an_flag & cKF_ANIMATION_TRANS_XZ) {
keyframe->base_world_position.x = correctpos->x;
keyframe->base_world_position.z = correctpos->z;
keyframe->model_world_position_correction.x = basepos->x - correctpos->x;
keyframe->model_world_position_correction.z = basepos->z - correctpos->z;
}
if (an_flag & cKF_ANIMATION_TRANS_Y) {
keyframe->base_world_position.y = correctpos->y;
keyframe->model_world_position_correction.y = basepos->y - correctpos->y;
}
}
keyframe->base_angle_y = yidle;
keyframe->model_angle_correction = 0;
if (an_flag & cKF_ANIMATION_ROT_X) {
sub = ybase - yidle;
if (sub > 0x8000) {
sub = -(0x10000 - sub);
} else if (sub < -0x8000) {
sub += 0x10000;
}
keyframe->base_angle_y = yidle;
keyframe->model_angle_correction = sub;
}
}
extern void cKF_SkeletonInfo_R_AnimationMove_dt(cKF_SkeletonInfo_R_c* keyframe) {
int an_flag = keyframe->animation_enabled;
s_xyz* cur_joint = keyframe->current_joint;
if (an_flag & cKF_ANIMATION_TRANS_XZ) {
cur_joint->x = keyframe->base_model_translation.x;
cur_joint->z = keyframe->base_model_translation.z;
}
if (an_flag & cKF_ANIMATION_TRANS_Y) {
cur_joint->y = keyframe->base_model_translation.y;
}
if (an_flag & cKF_ANIMATION_ROT_X) {
cur_joint = keyframe->current_joint;
cur_joint[1].x = keyframe->base_model_rotation.x;
cur_joint[1].y = keyframe->base_model_rotation.y;
cur_joint[1].z = keyframe->base_model_rotation.z;
}
keyframe->animation_enabled = 0;
}
extern void cKF_SkeletonInfo_R_AnimationMove_base(xyz_t* base, s_xyz* sbase, xyz_t* move, s16 yidle,
cKF_SkeletonInfo_R_c* keyframe) {
f32 fc = keyframe->fixed_counter;
f32 count = 1.0f + fc;
int an_flag = keyframe->animation_enabled;
f32 correct_y;
f32 mangle_y;
s16 angley;
s16 angle_c;
s_xyz* update_base;
s16 base_x;
s_xyz* cur_joint;
s16 sub;
f32 trans_x;
f32 trans_z;
f32 move_x;
f32 move_z;
f32 temp;
f32 sin, cos;
if (count > 0.5f) {
correct_y = 0.5f / count;
} else {
correct_y = 0.0f;
}
if (an_flag & cKF_ANIMATION_ROT_X) {
mangle_y = keyframe->model_angle_correction;
if (count > 0.5f) {
keyframe->model_angle_correction -= (s16)(int)(mangle_y * correct_y);
} else {
keyframe->model_angle_correction = 0;
}
}
if (count > 0.5f) {
if (an_flag & cKF_ANIMATION_TRANS_XZ) {
f32 cx, cz;
cx = keyframe->model_world_position_correction.x;
cx *= correct_y;
cz = keyframe->model_world_position_correction.z;
cz *= correct_y;
keyframe->model_world_position_correction.x -= cx;
keyframe->model_world_position_correction.z -= cz;
}
if (an_flag & cKF_ANIMATION_TRANS_Y) {
f32 cy;
cy = keyframe->model_world_position_correction.y;
cy *= correct_y;
keyframe->model_world_position_correction.y -= cy;
}
} else {
keyframe->model_world_position_correction.x = 0.0f;
keyframe->model_world_position_correction.y = 0.0f;
keyframe->model_world_position_correction.z = 0.0f;
}
if ((sbase != NULL) && (an_flag & cKF_ANIMATION_ROT_X)) {
angley = keyframe->base_angle_y;
angle_c = keyframe->model_angle_correction;
base_x = keyframe->base_model_rotation.x;
update_base = &keyframe->updated_base_model_rotation;
Matrix_push();
Matrix_rotateXYZ(keyframe->current_joint[1].x, keyframe->current_joint[1].y, keyframe->current_joint[1].z, 0);
Matrix_to_rotate2_new(get_Matrix_now(), update_base, 0);
Matrix_pull();
sbase->x = angley + angle_c + (update_base->x - base_x);
}
if (base != NULL) {
cur_joint = keyframe->current_joint;
sub = 0;
if (sbase != NULL) {
sub = sbase->x - yidle;
}
if (an_flag & cKF_ANIMATION_TRANS_XZ) {
f32 move_x, move_z;
f32 base_x, base_z;
f32 temp2;
f32 temp1;
trans_x = keyframe->base_model_translation.x;
trans_z = keyframe->base_model_translation.z;
sin = sin_s(sub);
cos = cos_s(sub);
temp1 = (trans_x * cos) + (trans_z * sin);
move_x = move->x * (cur_joint->x - temp1);
temp1 = (-trans_x * sin) + (trans_z * cos);
move_z = move->z * (cur_joint->z - temp1);
sin = sin_s(yidle);
cos = cos_s(yidle);
base_x = keyframe->model_world_position_correction.x;
base_z = keyframe->model_world_position_correction.z;
temp2 = (move_x * cos) + (move_z * sin);
base->x = temp2 + (keyframe->base_world_position.x + base_x);
temp2 = (-move_x * sin) + (move_z * cos);
base->z = temp2 + (keyframe->base_world_position.z + base_z);
}
if (an_flag & cKF_ANIMATION_TRANS_Y) {
base->y = move->y * (cur_joint->y - keyframe->base_model_translation.y) +
(keyframe->base_world_position.y + keyframe->model_world_position_correction.y);
}
}
count = fc - 0.5f;
if (count < 0.0f) {
count = 0.0f;
}
keyframe->fixed_counter = count;
}
extern void cKF_SkeletonInfo_R_AnimationMove_CulcTransToWorld(f32 calcx, f32 calcy, f32 calcz, xyz_t* base,
xyz_t* calcp, s16 val, xyz_t* trans,
cKF_SkeletonInfo_R_c* keyframe, int animation_flag) {
f32 sin, cos;
f32 j_x, j_z;
s_xyz* cur_joint = keyframe->current_joint;
if (animation_flag & cKF_ANIMATION_TRANS_XZ) {
j_x = cur_joint->x - calcx;
j_z = cur_joint->z - calcz;
sin = sin_s(val);
cos = cos_s(val);
base->x = calcp->x + trans->x * ((j_x * cos) + (j_z * sin));
base->z = calcp->z + trans->z * ((-j_x * sin) + (j_z * cos));
}
if (animation_flag & cKF_ANIMATION_TRANS_Y) {
base->y = calcp->y + trans->y * (cur_joint->y - calcy);
}
}
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