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SPLDraw directional billboard functions

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This commit is contained in:
Fexty12573 2024-08-02 22:23:11 +02:00
parent 342bf9230b
commit 8613ab46c8
6 changed files with 57 additions and 85 deletions
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4
lib/spl/include/spl_internal.h
View File

@ -21,11 +21,11 @@
void SPLDraw_Child_Billboard(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl);
void SPLDraw_Child_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209E650(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl);
void SPLDraw_Billboard(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl);
void SPLDraw_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl);
void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl);

2
lib/spl/include/spl_manager.h
View File

@ -33,7 +33,7 @@ typedef struct SPLManager {
u32 drawOrder : 1;
u32 unused : 7;
} polygonID;
s32 unk_3C;
s32 miscPolygonAttr;
struct {
SPLEmitter *emitter; // current emitter being processed
const MtxFx43 *viewMatrix; // current view matrix

2
lib/spl/include/spl_resource.h
View File

@ -156,7 +156,7 @@ typedef struct SPLResourceHeader {
u32 airResistance : 8;
u32 textureIndex : 8;
u32 loopFrames : 8;
u32 unk_05_0 : 16;
u32 dbbScale : 16;
u32 textureTileCountS : 2; // Number of times to tile the texture in the S direction
u32 textureTileCountT : 2; // Number of times to tile the texture in the T direction
u32 scaleAnimDir : 3; // Maps to SPLScaleAnimDir

4
lib/spl/src/spl_emitter.c
View File

@ -338,7 +338,7 @@ static void SPLManager_DrawParticles(SPLManager *mgr)
drawFunc = SPLDraw_Billboard;
break;
case 1:
drawFunc = sub_0209F3D0;
drawFunc = SPLDraw_DirectionalBillboard;
break;
case 2:
drawFunc = sub_0209E9A0;
@ -376,7 +376,7 @@ static void SPLManager_DrawChildParticles(SPLManager *mgr)
drawFunc = SPLDraw_Child_Billboard;
break;
case 1:
drawFunc = sub_0209ECF0;
drawFunc = SPLDraw_Child_DirectionalBillboard;
break;
case 2:
drawFunc = sub_0209E650;

2
lib/spl/src/spl_manager.c
View File

@ -57,7 +57,7 @@ SPLManager *SPLManager_New(SPLAllocFunc alloc, u16 maxEmitters, u16 maxParticles
mgr->inactiveEmitters.first = NULL;
mgr->inactiveParticles.first = NULL;
mgr->unk_3C = 0;
mgr->miscPolygonAttr = 0;
mgr->currentCycle = 0;
SPLEmitter *emtr = alloc(maxEmitters * sizeof(SPLEmitter));

128
lib/spl/src/unk_0209DD54.c
View File

@ -10,17 +10,18 @@
#include "spl_particle.h"
#include "spl_manager.h"
#include "spl_internal.h"
#include "spl_resource.h"
typedef void (*RotFunc)(fx32 sin, fx32 cos, MtxFx43 *rot);
typedef void (*DrawPlaneFunc)(fx16 s, fx16 t, fx16 offsetX, fx16 offsetY);
void SPLDraw_Child_Billboard(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_chld_bb
void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_chld_dbb
void SPLDraw_Child_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_chld_dbb
void sub_0209E650(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_chld_pol
void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_chld_dpl
void SPLDraw_Billboard(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_bb
void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_dbb
void SPLDraw_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_dbb
void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_pol
void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl); // spl_draw_dpl
@ -51,7 +52,7 @@ static inline BOOL SPLDraw_Setup(const SPLParticle *ptcl, const SPLManager *mgr)
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
mgr->miscPolygonAttr);
reg_G3_POLYGON_ATTR; // No idea why but this is needed to match
@ -301,34 +302,19 @@ void SPLDraw_Child_Billboard(SPLManager *mgr, SPLParticle *ptcl)
SPLUtil_DrawXYPlane(mgr->renderState.emitter->childTextureS, mgr->renderState.emitter->childTextureT, 0, 0);
}
void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
void SPLDraw_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl)
{
fx32 aspect;
const MtxFx43 *cmr;
VecFx32 vel_dir;
fx32 dot;
VecFx32 trs;
fx32 sclX, sclY;
VecFx32 dir, look;
MtxFx33 mtx;
MtxFx43 load;
cmr = mgr->renderState.viewMatrix;
aspect = mgr->renderState.emitter->resource->header->aspectRatio;
const MtxFx43 *cmr = mgr->renderState.viewMatrix;
fx32 aspect = mgr->renderState.emitter->resource->header->aspectRatio;
fx32 alpha = (fx32)(ptcl->visibility.baseAlpha * (ptcl->visibility.animAlpha + 1)) >> 5;
G3_PolygonAttr(
GX_LIGHTMASK_NONE,
GX_POLYGONMODE_MODULATE,
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
reg_G3_POLYGON_ATTR;
if (alpha == 0) {
if (SPLDraw_Setup(ptcl, mgr)) {
return;
}
@ -336,16 +322,16 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
sclX = FX_MUL(sclY, aspect);
switch (mgr->renderState.emitter->resource->header->misc.scaleAnimDir) {
case 0:
case SPL_SCALE_ANIM_DIR_XY:
sclX = FX_MUL(sclX, ptcl->animScale);
sclY = FX_MUL(sclY, ptcl->animScale);
break;
case 1:
case SPL_SCALE_ANIM_DIR_X:
sclX = FX_MUL(sclX, ptcl->animScale);
break;
case 2:
case SPL_SCALE_ANIM_DIR_Y:
sclY = FX_MUL(sclY, ptcl->animScale);
break;
}
@ -374,12 +360,12 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
vel_dir = ptcl->velocity;
VEC_Normalize(&vel_dir, &vel_dir);
dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
fx32 dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
if (dot < 0) {
dot = -dot;
}
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.unk_05_0) + FX32_ONE);
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.dbbScale) + FX32_ONE);
load.m[0][0] = FX_MUL(dir.x, sclX);
load.m[1][0] = FX_MUL(-dir.y, dot);
load.m[2][0] = 0;
@ -419,12 +405,12 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
vel_dir = ptcl->velocity;
VEC_Normalize(&vel_dir, &vel_dir);
dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
fx32 dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
if (dot < 0) {
dot = -dot;
}
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.unk_05_0) + FX32_ONE);
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.dbbScale) + FX32_ONE);
load.m[0][0] = FX_MUL(dir.x, sclX);
load.m[1][0] = FX_MUL(-dir.y, dot);
load.m[2][0] = 0;
@ -439,51 +425,39 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
load.m[3][2] = trs.z;
G3_Identity();
SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
G3_Translate(resBase->emitterBasePos.x, resBase->emitterBasePos.y, resBase->emitterBasePos.z);
G3_Translate(
mgr->renderState.emitter->resource->header->emitterBasePos.x,
mgr->renderState.emitter->resource->header->emitterBasePos.y,
mgr->renderState.emitter->resource->header->emitterBasePos.z);
G3_MultMtx43(&load);
}
GXRgb colA = ptcl->color;
GXRgb colB = mgr->renderState.emitter->color;
G3_Color(GX_RGB(
GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
GX_RGB_R_(ptcl->color) * GX_RGB_R_(mgr->renderState.emitter->color) >> 5,
GX_RGB_G_(ptcl->color) * GX_RGB_G_(mgr->renderState.emitter->color) >> 15,
GX_RGB_B_(ptcl->color) * GX_RGB_B_(mgr->renderState.emitter->color) >> 25));
SPLEmitter *emtr = mgr->renderState.emitter;
SPLUtil_DrawXYPlane(emtr->textureS, emtr->textureT, emtr->resource->header->polygonX, emtr->resource->header->polygonY);
SPLUtil_DrawXYPlane(
emtr->textureS,
emtr->textureT,
emtr->resource->header->polygonX,
emtr->resource->header->polygonY);
}
void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
void SPLDraw_Child_DirectionalBillboard(SPLManager *mgr, SPLParticle *ptcl)
{
fx32 aspect;
const MtxFx43 *cmr;
VecFx32 vel_dir;
fx32 dot;
VecFx32 trs;
fx32 sclX, sclY;
VecFx32 dir, look;
MtxFx33 mtx;
MtxFx43 load;
cmr = mgr->renderState.viewMatrix;
aspect = mgr->renderState.emitter->resource->header->aspectRatio;
const MtxFx43 *cmr = mgr->renderState.viewMatrix;
fx32 aspect = mgr->renderState.emitter->resource->header->aspectRatio;
fx32 alpha = (fx32)(ptcl->visibility.baseAlpha * (ptcl->visibility.animAlpha + 1)) >> 5;
G3_PolygonAttr(
GX_LIGHTMASK_NONE,
GX_POLYGONMODE_MODULATE,
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
reg_G3_POLYGON_ATTR;
if (alpha == 0) {
if (SPLDraw_Setup(ptcl, mgr)) {
return;
}
@ -491,16 +465,16 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
sclX = FX_MUL(sclY, aspect);
switch (mgr->renderState.emitter->resource->header->misc.scaleAnimDir) {
case 0:
case SPL_SCALE_ANIM_DIR_XY:
sclX = FX_MUL(sclX, ptcl->animScale);
sclY = FX_MUL(sclY, ptcl->animScale);
break;
case 1:
case SPL_SCALE_ANIM_DIR_X:
sclX = FX_MUL(sclX, ptcl->animScale);
break;
case 2:
case SPL_SCALE_ANIM_DIR_Y:
sclY = FX_MUL(sclY, ptcl->animScale);
break;
}
@ -529,12 +503,12 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
vel_dir = ptcl->velocity;
VEC_Normalize(&vel_dir, &vel_dir);
dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
fx32 dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
if (dot < 0) {
dot = -dot;
}
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.unk_05_0) + FX32_ONE);
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.dbbScale) + FX32_ONE);
load.m[0][0] = FX_MUL(dir.x, sclX);
load.m[1][0] = FX_MUL(-dir.y, dot);
load.m[2][0] = 0;
@ -574,12 +548,12 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
vel_dir = ptcl->velocity;
VEC_Normalize(&vel_dir, &vel_dir);
dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
fx32 dot = FX_MUL(vel_dir.x, -cmr->m[0][2]) + FX_MUL(vel_dir.y, -cmr->m[1][2]) + FX_MUL(vel_dir.z, -cmr->m[2][2]);
if (dot < 0) {
dot = -dot;
}
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.unk_05_0) + FX32_ONE);
dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->misc.dbbScale) + FX32_ONE);
load.m[0][0] = FX_MUL(dir.x, sclX);
load.m[1][0] = FX_MUL(-dir.y, dot);
load.m[2][0] = 0;
@ -594,21 +568,19 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
load.m[3][2] = trs.z;
G3_Identity();
SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
G3_Translate(resBase->emitterBasePos.x, resBase->emitterBasePos.y, resBase->emitterBasePos.z);
G3_Translate(
mgr->renderState.emitter->resource->header->emitterBasePos.x,
mgr->renderState.emitter->resource->header->emitterBasePos.y,
mgr->renderState.emitter->resource->header->emitterBasePos.z);
G3_MultMtx43(&load);
}
GXRgb colA = ptcl->color;
GXRgb colB = mgr->renderState.emitter->color;
G3_Color(GX_RGB(
GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
GX_RGB_R_(ptcl->color) * GX_RGB_R_(mgr->renderState.emitter->color) >> 5,
GX_RGB_G_(ptcl->color) * GX_RGB_G_(mgr->renderState.emitter->color) >> 15,
GX_RGB_B_(ptcl->color) * GX_RGB_B_(mgr->renderState.emitter->color) >> 25));
SPLEmitter *emtr = mgr->renderState.emitter;
SPLUtil_DrawXYPlane(emtr->childTextureS, emtr->childTextureT, 0, 0);
SPLUtil_DrawXYPlane(mgr->renderState.emitter->childTextureS, mgr->renderState.emitter->childTextureT, 0, 0);
}
void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl)
@ -629,7 +601,7 @@ void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl)
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
mgr->miscPolygonAttr);
reg_G3_POLYGON_ATTR;
@ -712,7 +684,7 @@ void sub_0209E650(SPLManager *mgr, SPLParticle *ptcl)
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
mgr->miscPolygonAttr);
reg_G3_POLYGON_ATTR;
@ -794,7 +766,7 @@ void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl)
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
mgr->miscPolygonAttr);
reg_G3_POLYGON_ATTR;
@ -912,7 +884,7 @@ void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl)
GX_CULL_NONE,
ptcl->visibility.currentPolygonID,
alpha,
mgr->unk_3C);
mgr->miscPolygonAttr);
reg_G3_POLYGON_ATTR;