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https://github.com/zeldaret/ph
synced 2026-08-29 08:39:52 -04:00
Decomp sbc.c (100%) (#144)
* start sbc.cpp * add G3d_SBCRender_007 * match G3d_SBCRender_007 * match G3d_SBCRender_008 * match G3d_SBCRender_SKN * fix EUR relocs file * match G3d_SBCRender_00C * match G3d_SBCRender_00D * complete sbc.cpp * fix EUR delinks
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enzofc708
@@ -0,0 +1,166 @@
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#include "nds/math.h"
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struct G3d_RenderState_;
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typedef void (*G3d_CallbackFunction)(struct G3d_RenderState_ *);
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typedef struct G3d_NameList_ {
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/* 00 */ u8 dummy;
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/* 01 */ u8 numElmnts; // number of elements
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/* 02 */ u16 size; // size of this NameList in bytes
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/* 04 */ u16 dummy2;
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/* 06 */ u16 ofsHeader; // offset to the G3d_NameList_Header
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/* 08 */ void *entry[1]; // variable size
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/* 0c */
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} G3d_NameList;
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typedef struct G3d_NameList_Header_ {
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/* 00 */ u16 element_size;
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/* 02 */ u16 data_section_size;
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/* 04 */ u8 data[4];
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/* 08 */
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} G3d_NameList_Header;
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typedef struct G3d_InvBindMtx_ {
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/* 00 */ Mat4x3p mtx;
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/* 30 */ Mat3p unkMtx;
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/* 54 */
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} G3d_InvBindMtx;
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typedef struct G3d_BoneMtxStruct_ {
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/* 00 */ u32 flag;
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/* 04 */ u8 mUnk_04[0x24];
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/* 28 */ Mat3p rot;
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/* 58 */ u8 mUnk_58[0xc];
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/* 64 */
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} G3d_BoneMtxStruct;
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typedef enum {
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G3D_ANIMBIND_UNK = 0xff,
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G3D_ANIMBIND_EXISTS = 0x100,
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G3D_ANIMBIND_OFF = 0x200
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} G3d_AnimationBinds;
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typedef struct G3d_Animation_ {
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/* 00 */ u8 mUnk_00[0x10];
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/* 10 */ struct G3d_Animation_ *next; // next animation in the list
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/* 14 */ u8 mUnk_14[0x5];
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/* 19 */ u8 numElmnts; // number of elements in the elementBinds array
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/* 1a */ u16 elementBinds[1]; // each bit corresponds to a bone/material and determines whether an animation exists for it
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/* 1c */
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} G3d_Animation;
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// Structure representing the NSBMD model file
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typedef struct G3d_Model_ {
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/* 00 */ u32 size; // size of the model in bytes
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/* 04 */ u32 offSbc; // offset of the SBC commands list
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/* 08 */ u32 offMat; // offset of the material list
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/* 0c */ u32 offMesh; // offset of the mesh list
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/* 10 */ u32 offInvBMtx; // offset of the InvBindMatrix list
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/* 14 */ u8 dummy1;
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/* 15 */ u8 scalingHandler; // Determines which of the G3d_gScaleHandlers to use for this model
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/* 16 */ u8 textureHandler; // Determines which of the G3d_gTextureHandlers to use for this model
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/* 17 */ u8 numBones; // number of nodes
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/* 18 */ u8 numMat; // number of materials
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/* 19 */ u8 numMesh; // number of meshes
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/* 1a */ u8 dummy2[2];
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/* 1c */ q20 upScale;
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/* 20 */ q20 downScale;
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/* 24 */ u16 numVertex; // number of vertices
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/* 26 */ u16 numPolygon; // number of polygons
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/* 28 */ u16 numTriangle; // number of triangles
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/* 2a */ u16 numQuad; // number of quads
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/* 2c */ q4 boundingBoxMin[3]; // bounding box lower vertex
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/* 32 */ q4 boundingBoxMax[3]; // bounding box upper vertex
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/* 38 */ u8 dummy3[8];
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/* 40 */ G3d_NameList boneList; // bone list
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/* 4c */
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} G3d_Model;
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static inline G3d_NameList *G3d_GetBoneList(const G3d_Model *mdl) {
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return (G3d_NameList *) &mdl->boneList;
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}
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static inline void *G3d_GetMat(const G3d_Model *mdl) {
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return (void *) ((u8 *) mdl + mdl->offMat);
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}
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static inline G3d_NameList *G3d_GetMesh(const G3d_Model *mdl) {
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return (G3d_NameList *) ((u8 *) mdl + mdl->offMesh);
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}
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typedef enum {
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G3D_RENDEROBJ_FLAG_STORE = 0x1, // stores results in local cache
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G3D_RENDEROBJ_FLAG_SKIP_CMD = 0x2, // skips pushing geometry commands to the FIFO
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G3D_RENDEROBJ_FLAG_SKIP_SBC_DRAW = 0x4, // skips the execution of rendering commands
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G3D_RENDEROBJ_FLAG_SKIP_SBC_MTXCALC = 0x8, // skips the execution of matrix calculation commands
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G3D_RENDEROBJ_FLAG_ANIMMAP_OUTDATED = 0x10 // set when the animation map arrays in the render object are outdated
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} G3d_RenderObjFlag;
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// Structure that handles the parameters for drawing a model
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typedef struct G3d_RenderObject_ {
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/* 00 */ u32 flag; // G3d_RenderObjFlag
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/* 04 */ G3d_Model *model;
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/* 08 */ G3d_Animation *matAnim; // material animation
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/* 0c */ void *mUnk_0c;
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/* 10 */ G3d_Animation *jntAnim; // joint animation
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/* 14 */ void *mUnk_14;
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/* 18 */ G3d_Animation *mUnk_18;
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/* 1c */ void *mUnk_1c;
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/* 20 */ G3d_CallbackFunction callbackFunction;
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/* 24 */ u8 callbackIdx; // index of the callbackFunction in the callback array of G3d_RenderState
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/* 25 */ u8 mUnk_25; // related to callback
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/* 26 */ u16 dummy_;
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/* 28 */ G3d_CallbackFunction callbackInitFunc; // initializes the G3d_RenderState callback array
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/* 2c */ void *modelRender; // pointer to the ModelRender that is rendering this model
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/* 30 */ u8 *unkCommandsList; // if not null, this command list is used instead of the one in the model
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/* 34 */ G3d_BoneMtxStruct *cacheJntAnm;
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/* 38 */ void *cacheMatAnm;
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/* 3c */ u32 matAnimBindMap[2];
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/* 44 */ u32 jntAnimBindMap[2];
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/* 4c */ u32 unkAnimBindMap[2];
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/* 54 */
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} G3d_RenderObject;
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typedef struct G3d_Material_List_ {
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/* 00 */ u16 texture_pairings_off;
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/* 02 */ u16 palette_pairings_off;
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/* 04 */ G3d_NameList materials;
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/* 10 */
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} G3d_Material_List;
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typedef struct G3d_Material_ {
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/* 00 */ u32 mUnk_00;
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/* 04 */ u32 dif_amb;
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/* 08 */ u32 spe_emi;
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/* 0c */ u32 polygon_attr;
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/* 10 */ u32 mUnk_10;
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/* 14 */ u32 teximage_params;
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/* 18 */ u32 mUnk_18;
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/* 1c */ u16 pltt_base;
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/* 1e */ u16 flag;
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/* 20 */ u16 width;
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/* 22 */ u16 height;
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/* 24 */ u8 mUnk_24[0x8];
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/* 2c */
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} G3d_Material;
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typedef struct G3d_MaterialAnimation_ {
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/* 00 */ u32 flag;
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/* 04 */ u32 dif_amb;
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/* 08 */ u32 spe_emi;
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/* 0c */ u32 polygon_attr;
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/* 10 */ u32 teximage_params;
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/* 14 */ u32 pltt_base;
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/* 18 */ u8 mUnk_18[0x14];
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/* 2c */ u16 width;
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/* 2e */ u16 height;
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/* 30 */ u8 mUnk_30[0x8];
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/* 38 */
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} G3d_MaterialAnimation;
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#define G3D_TEXIMAGE_PARM_TEX_COORD_MODE 0xc0000000
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extern void *G3d_gScaleHandlers[3];
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extern void *G3d_gSRTTransformHandlers[3];
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extern void *G3d_gTextureHandlers[4];
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@@ -0,0 +1,110 @@
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#pragma once
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#include "g3d.h"
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extern void PushGeometryCommand(u32 command, void *data, s32 length);
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typedef enum {
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G3D_SBC_CMD_NOP = 0x0,
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G3D_SBC_CMD_END = 0x1,
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G3D_SBC_CMD_VIS = 0x2,
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G3D_SBC_CMD_007 = 0x7,
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G3D_SBC_CMD_008 = 0x8,
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G3D_SBC_CMD_SKN = 0x9,
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G3D_SBC_CMD_00A = 0xa,
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G3D_SBC_CMD_SCL = 0xb,
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G3D_SBC_CMD_00C = 0xc,
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G3D_SBC_CMD_00D = 0xd
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} G3d_SBC_Commands;
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typedef enum {
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G3D_RENDERST_FLAG_BONE_VISIBLE = 0x1,
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G3D_RENDERST_FLAG_MAT_TRANSPARENT = 0x2,
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G3D_RENDERST_FLAG_VALID_NODE = 0x4,
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G3D_RENDERST_FLAG_VALID_MAT = 0x8,
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G3D_RENDERST_FLAG_VALID_BONEMTX = 0x10,
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G3D_RENDERST_FLAG_END = 0x20, // set when the end of the SBC command list is reached
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G3D_RENDERST_FLAG_SKIP_CALLBACK = 0x40, // skip callback
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G3D_RENDERST_FLAG_STORE = 0x80, // stores results in G3d_RenderObject local cache
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G3D_RENDERST_FLAG_SKIP_CMD = 0x100, // skips pushing geometry commands to the FIFO
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G3D_RENDERST_FLAG_SKIP_SBC_RENDER = 0x200, // skips the execution of rendering commands
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G3D_RENDERST_FLAG_SKIP_SBC_MTXCALC = 0x400 // skips the execution of matrix calculation commands
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} G3d_RenderStateFlag;
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typedef struct G3d_RenderState_ {
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/* 00 */ u8 *currentCmd; // current command being processed
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/* 04 */ G3d_RenderObject *renderObj; // current render object being processed
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/* 08 */ u32 flag; // G3d_RenderStateFlag
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/* 0c */ G3d_CallbackFunction callbackFuncs[32]; // callback function for each SBC command
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/* 8c */ u8 callbackSegment[32]; // determines at which segment of the SBC command to invoke the callback
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/* ac */ u8 currentBoneId;
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/* ad */ u8 currentMaterialId;
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/* ae */ u8 currentBoneMtxId;
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/* af */ u8 dummy;
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/* b0 */ G3d_MaterialAnimation *matAnim;
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/* b4 */ void *mUnk_19;
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/* b8 */ u8 *visibilityPtr; // points to isVisible (0x187)
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/* bc */ u32 mUnk_bc[2];
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/* c4 */ u32 mUnk_c4[2];
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/* cc */ u32 mUnk_cc[2];
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/* d4 */ G3d_NameList *boneList;
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/* d8 */ const G3d_Material_List *materialList;
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/* dc */ G3d_NameList *meshList;
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/* e0 */ q20 upScale;
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/* e4 */ q20 downScale;
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/* e8 */ void *jntScalingHandler; // scaling handler
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/* ec */ void *jntSRTHandler; // SRT transform handler
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/* f0 */ void *textureHandler; // texture matrix handler
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/* f4 */ u8 mUnk_f4[0x93];
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/* 187 */ u8 isVisible;
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/* 188 */
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} G3d_RenderState;
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typedef struct UnkStruct_0205ae08_ {
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/* 00 */ u8 mUnk_00[0x1400];
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/* 1400 */ struct {
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Mat4p mtx1;
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Mat3p mtx2;
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} mUnk_1400[64];
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} UnkStruct_0205ae08;
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typedef void (*G3d_FuncSbc)(G3d_RenderState *, u32);
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extern G3d_FuncSbc G3d_FuncSbcTable[32];
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extern G3d_RenderState *G3d_gRenderState;
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extern UnkStruct_0205ae08 data_0205ae08;
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void G3d_Render(G3d_RenderObject *renderObj);
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static inline u32 G3d_FindInBitArray(const u32 *arr, u32 idx) {
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return (u32) (arr[idx >> 5] & (1 << (idx & 31)));
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}
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static inline void G3d_SetBitArray(u32 *arr, u32 idx) {
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arr[idx >> 5] |= 1 << (idx & 31);
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}
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static inline void G3d_SetMtxMode_inline(u32 mode) {
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PushGeometryCommand(0x10, &mode, 1);
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}
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static inline void G3d_RestoreMtx_inline(u32 idx) {
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PushGeometryCommand(0x14, &idx, 1);
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}
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static inline void G3d_MtxMult33_inline(const Mat3p *m) {
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PushGeometryCommand(0x1a, (u32 *) m, 9);
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}
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static inline void G3d_MtxMult43_inline(const Mat4x3p *m) {
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PushGeometryCommand(0x19, (u32 *) m, 12);
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}
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static inline void G3d_MtxMult44_inline(const Mat4p *m) {
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PushGeometryCommand(0x18, (u32 *) m, 0x10);
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}
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static inline void G3d_Scale_inline(q20 x, q20 y, q20 z) {
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Vec3p vec;
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vec.x = x;
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vec.y = y;
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vec.z = z;
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PushGeometryCommand(0x1b, (u32 *) &vec, 3);
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}
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@@ -8,6 +8,13 @@
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extern "C" {
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#endif
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#define REG_GFX_FIFO (*(volatile u32 *) 0x04000400)
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#define GFX_FIFO_MTX_MODE (*(volatile u32 *) 0x04000440)
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#define GFX_FIFO_MTX_PUSH (*(volatile u32 *) 0x04000444)
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#define GFX_FIFO_MTX_POP (*(volatile u32 *) 0x04000448)
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#define GFX_FIFO_MTX_STORE (*(volatile u32 *) 0x0400044c)
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#define GFX_FIFO_MTX_RESTORE (*(volatile u32 *) 0x04000450)
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#define GFX_FIFO_MTX_IDENTITY (*(volatile u32 *) 0x04000454)
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#define GFX_FIFO_SWAP_BUFFERS (*(volatile u32 *) 0x04000540)
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#define GFX_FIFO_VIEWPORT (*(volatile u32 *) 0x04000580)
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#define REG_GFX_RAM_COUNT (*(volatile u16 *) 0x04000604)
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