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/**
* m_Do_lib.cpp
* View and Projection Matrix Helper Functions
*/
#include "m_Do/m_Do_lib.h"
#include "JSystem/J3DGraphBase/J3DMatBlock.h"
#include "SSystem/SComponent/c_math.h"
#include "d/com/d_com_inf_game.h"
#include "dolphin/types.h"
/* 8001513C-8001528C 00FA7C 0150+00 0/0 3/3 2/2 .text
* mDoLib_setResTimgObj__FPC7ResTIMGP9_GXTexObjUlP10_GXTlutObj */
u8 mDoLib_setResTimgObj(ResTIMG const* res, _GXTexObj* o_texObj, u32 tlut_name,
_GXTlutObj* o_tlutObj) {
ResTIMG* _res = (ResTIMG*)res;
if (_res->indexTexture) {
GXInitTlutObj(o_tlutObj, (void*)((u8*)_res + _res->paletteOffset),
(GXTlutFmt)_res->colorFormat, _res->numColors);
GXInitTexObjCI(o_texObj, (void*)((u8*)_res + _res->imageOffset), _res->width, _res->height,
(GXCITexFmt)_res->format, (GXTexWrapMode)_res->wrapS,
(GXTexWrapMode)_res->wrapT, _res->mipmapCount > 1, tlut_name);
} else {
GXInitTexObj(o_texObj, (void*)((u8*)_res + _res->imageOffset), _res->width, _res->height,
(GXTexFmt)_res->format, (GXTexWrapMode)_res->wrapS, (GXTexWrapMode)_res->wrapT,
_res->mipmapCount > 1);
}
GXInitTexObjLOD(o_texObj, (GXTexFilter)_res->minFilter, (GXTexFilter)_res->magFilter,
(f32)_res->minLOD * 0.125f, (f32)_res->maxLOD * 0.125f,
(f32)_res->LODBias * 0.01f, (s32)_res->biasClamp, (s32)_res->doEdgeLOD,
(GXAnisotropy)_res->maxAnisotropy);
return _res->indexTexture;
}
/* 803DD8E4-803DD940 00A604 005C+00 2/2 5/5 5/5 .bss mClipper__14mDoLib_clipper */
J3DUClipper mDoLib_clipper::mClipper;
/* 80450C70-80450C74 000170 0004+00 1/1 2/2 4/4 .sbss mSystemFar__14mDoLib_clipper */
f32 mDoLib_clipper::mSystemFar;
/* 80450C74-80450C78 000174 0004+00 1/1 1/1 0/0 .sbss mFovyRate__14mDoLib_clipper */
f32 mDoLib_clipper::mFovyRate;
/* 8001528C-80015310 00FBCC 0084+00 0/0 1/1 0/0 .text setup__14mDoLib_clipperFffff */
void mDoLib_clipper::setup(f32 fovy, f32 aspect, f32 near, f32 far) {
mClipper.setFovy(fovy);
mClipper.setAspect(aspect);
mClipper.setNear(near);
mClipper.setFar(far);
mSystemFar = far;
mClipper.calcViewFrustum();
s16 tmp = fovy * 182.04444885253906f;
mFovyRate = cM_scos(tmp) / cM_ssin(tmp);
}
/* 80015310-800154EC 00FC50 01DC+00 0/0 21/21 23/23 .text mDoLib_project__FP3VecP3Vec */
void mDoLib_project(Vec* src, Vec* dst) {
if (dComIfGd_getView() == NULL) {
dst->x = 0.0f;
dst->y = 0.0f;
dst->z = 0.0f;
return;
}
Mtx44* projMtx = dComIfGd_getProjViewMtx();
Vec multVec;
cMtx_multVec(*projMtx, src, &multVec);
float calcFloat = (src->x * (*dComIfGd_getProjViewMtx())[3][0]) +
(src->y * (*dComIfGd_getProjViewMtx())[3][1]) +
(src->z * (*dComIfGd_getProjViewMtx())[3][2]) +
(*dComIfGd_getProjViewMtx())[3][3];
if (multVec.z >= 0.0f) {
multVec.z = 0.0f;
}
float f3;
if (calcFloat <= 0.0f) {
if (calcFloat == 0.0f) {
dst->z = multVec.z * 500000.0f;
} else {
dst->z = multVec.z * (0.5f / calcFloat);
}
f3 = 500000.0f;
} else {
f3 = 0.5f / calcFloat;
dst->z = multVec.z * f3;
}
view_port_class* viewPort = dComIfGd_getViewport();
float xOffset;
float yOffset;
float xSize;
float ySize;
if (viewPort->mXOrig != 0.0f) {
xOffset = (0.5f * ((2.0f * viewPort->mXOrig) + viewPort->mWidth)) - 304.0f;
xSize = 608.0f;
} else {
xOffset = viewPort->mXOrig;
xSize = viewPort->mWidth;
}
if (viewPort->mYOrig != 0.0f) {
yOffset = (0.5f * ((2.0f * viewPort->mYOrig) + viewPort->mHeight)) - 224.0f;
ySize = 448.0f;
} else {
yOffset = viewPort->mYOrig;
ySize = viewPort->mHeight;
}
dst->x = ((0.5f + (multVec.x * f3)) * xSize) + xOffset;
dst->y = ((0.5f + (multVec.y * (-f3))) * ySize) + yOffset;
}
/* 800154EC-80015544 00FE2C 0058+00 0/0 2/2 9/9 .text mDoLib_pos2camera__FP3VecP3Vec */
void mDoLib_pos2camera(Vec* src, Vec* dst) {
if (dComIfGd_getView() == NULL) {
dst->x = 0.0f;
dst->y = 0.0f;
dst->z = 0.0f;
return;
}
cMtx_multVec(dComIfGd_getView()->mViewMtx, src, dst);
}
// Fake function to make the weak function calcAlphaCmpID appear in this TU
u32 mDoLib_calcAlphaCmpID(u8 param_0, u8 param_1, u8 param_2) {
return calcAlphaCmpID(param_0, param_1, param_2);
}
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