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Attempt to decompile menugfxRenderBgGreenHaze

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This commit is contained in:
Ryan Dwyer
2022-02-02 17:20:28 +10:00
parent fa25d4b6ff
commit 7f762cb5b8
2 changed files with 130 additions and 1 deletions
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src/game/game_0e0770.c
+129 -1
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@@ -961,7 +961,7 @@ Gfx *menugfxRenderDialogBackground(Gfx *gdl, s32 x1, s32 y1, s32 x2, s32 y2, str
}
GLOBAL_ASM(
glabel func0f0e0fc0
glabel menugfxRenderBgGreenHaze
.late_rodata
glabel var7f1adf08
.word 0x40c907a9
@@ -1419,6 +1419,134 @@ glabel var7f1adf18
/* f0e1664: 27bd0118 */ addiu $sp,$sp,0x118
);
/**
* This unused function renders an experimental menu background.
*
* The background consists of two layers of a green hazy texture.
* Both layers spin slowly in opposite directions.
*/
// Mismatch: Regalloc, and a different approach is taken for the i == 1 checks.
//Gfx *menugfxRenderBgGreenHaze(Gfx *gdl, s32 x1, s32 y1, s32 x2, s32 y2)
//{
// u32 *colours;
// struct gfxvtx *vertices;
// u32 alphas[2]; // 104
// s32 i;
// s16 t5;
// s16 s0;
// s16 s2;
// s16 s3;
// f32 f20;
// f32 f22;
// f32 f24;
// f32 f26;
// f32 f0;
// f32 f2;
// u32 stack[2];
// struct gfxvtx *iter;
//
// colours = gfxAllocateColours(4);
// vertices = gfxAllocateVertices(8);
//
// gDPPipeSync(gdl++);
// gDPSetCycleType(gdl++, G_CYC_1CYCLE);
// gDPSetAlphaCompare(gdl++, G_AC_NONE);
// gDPSetCombineMode(gdl++, G_CC_MODULATEI, G_CC_MODULATEI);
// gSPClearGeometryMode(gdl++, G_CULL_BOTH);
// gDPSetTextureFilter(gdl++, G_TF_BILERP);
//
// func0f0b39c0(&gdl, &var800ab5a8[6], 2, 0, 2, 1, NULL);
//
// gDPSetRenderMode(gdl++, G_RM_XLU_SURF, G_RM_XLU_SURF2);
//
// vertices[4].x = vertices[0].x = x1 * 10;
// vertices[4].y = vertices[0].y = y1 * 10;
// vertices[4].z = vertices[0].z = -10;
// vertices[5].x = vertices[1].x = x2 * 10;
// vertices[5].y = vertices[1].y = y1 * 10;
// vertices[5].z = vertices[1].z = -10;
// vertices[6].x = vertices[2].x = x2 * 10;
// vertices[6].y = vertices[2].y = y2 * 10;
// vertices[6].z = vertices[2].z = -10;
// vertices[7].x = vertices[3].x = x1 * 10;
// vertices[7].y = vertices[3].y = y2 * 10;
// vertices[7].z = vertices[3].z = -10;
//
// for (i = 0; i < 2; i++) {
// f0 = var80061630;
// f26 = M_BADTAU * var80061630;
//
// if (i == 1) {
// f26 = -f26;
// }
//
// if (i == 1) {
// f0 += 0.5f;
// }
//
// if (f0 > 1.0f) {
// f0 -= 1.0f;
// }
//
// f2 = 1.0f - f0;
//
// if (f0 < 0.2f) {
// alphas[i] = f0 / 0.2f * 127.0f;
// } else if (f0 > 0.9f) {
// alphas[i] = f2 / 0.1f * 127.0f;
// } else {
// alphas[i] = 0x7f;
// }
//
// f20 = (f2 + 0.1f) * 15.0f;
// f22 = (x2 - x1) / 2 * f20;
// f24 = (y2 - y1) / 2 * f20;
//
// s2 = sinf(f26) * f22;
// s3 = cosf(f26) * f24;
// s0 = cosf(f26) * f22;
// t5 = -sinf(f26) * f24;
//
// if (1);
//
// iter = &vertices[i * 4];
//
// iter[0].unk08 = i * 256 - s2 - s0;
// iter[0].unk0a = i * 256 - s3 - t5;
// iter[1].unk08 = i * 256 + s2 - s0;
// iter[1].unk0a = i * 256 + s3 - t5;
// iter[2].unk08 = i * 256 + s2 + s0;
// iter[2].unk0a = i * 256 + s3 + t5;
// iter[3].unk08 = i * 256 - s2 + s0;
// iter[3].unk0a = i * 256 - s3 + t5;
// }
//
// vertices[0].colour = 0;
// vertices[1].colour = 0;
// vertices[2].colour = 4;
// vertices[3].colour = 4;
// vertices[4].colour = 12;
// vertices[5].colour = 12;
// vertices[6].colour = 8;
// vertices[7].colour = 8;
//
// colours[0] = 0x00af0000 | alphas[0];
// colours[1] = 0xffff0000 | alphas[0];
// colours[2] = 0x00af0000 | alphas[1];
// colours[3] = 0xffff0000 | alphas[1];
//
// gDPSetColorArray(gdl++, osVirtualToPhysical(colours), 4);
// gDPSetVerticeArray(gdl++, osVirtualToPhysical(vertices), 8);
//
// if (var80061630 > 0.5f) {
// gDPTri4(gdl++, 4, 5, 6, 6, 7, 4, 0, 1, 2, 2, 3, 0);
// } else {
// gDPTri4(gdl++, 0, 1, 2, 2, 3, 0, 4, 5, 6, 6, 7, 4);
// }
//
// return gdl;
//}
GLOBAL_ASM(
glabel func0f0e1668
/* f0e1668: 27bdff88 */ addiu $sp,$sp,-120
src/include/game/game_0e0770.h
+1
View File
@@ -7,6 +7,7 @@
void menuCreateBlur(void);
Gfx *menugfxRenderBgBlur(Gfx *gdl, u32 colour, s32 arg2, s32 arg3);
Gfx *menugfxRenderDialogBackground(Gfx *gdl, s32 x1, s32 y1, s32 x2, s32 y2, struct menudialog *dialog, u32 colour1, u32 colour2, f32 arg8);
Gfx *menugfxRenderBgGreenHaze(Gfx *gdl, s32 x1, s32 y1, s32 x2, s32 y2);
u32 func0f0e1668(void);
#if VERSION >= VERSION_NTSC_1_0