tp/src/m_Do/m_Do_lib.cpp

132 lines
4.2 KiB
C++

/**
* m_Do_lib.cpp
* View and Projection Matrix Helper Functions
*/
#include "m_Do/m_Do_lib.h"
#include "m_Do/m_Do_graphic.h"
#include "JSystem/J3DGraphBase/J3DMatBlock.h"
#include "SSystem/SComponent/c_math.h"
#include "d/d_com_inf_game.h"
#include "dolphin/types.h"
u32 mDoLib_setResTimgObj(ResTIMG const* i_img, GXTexObj* o_texObj, u32 tlut_name,
GXTlutObj* o_tlutObj) {
if (i_img->indexTexture) {
JUT_ASSERT(44, o_tlutObj != NULL);
GXInitTlutObj(o_tlutObj, (void*)((u8*)i_img + i_img->paletteOffset),
(GXTlutFmt)i_img->colorFormat, (u16)i_img->numColors);
GXInitTexObjCI(o_texObj, (void*)((u8*)i_img + i_img->imageOffset), i_img->width, i_img->height,
(GXCITexFmt)i_img->format, (GXTexWrapMode)i_img->wrapS,
(GXTexWrapMode)i_img->wrapT, i_img->mipmapCount > 1 ? GX_TRUE : GX_FALSE, tlut_name);
} else {
GXInitTexObj(o_texObj, (void*)((u8*)i_img + i_img->imageOffset), i_img->width, i_img->height,
(GXTexFmt)i_img->format, (GXTexWrapMode)i_img->wrapS, (GXTexWrapMode)i_img->wrapT,
i_img->mipmapCount > 1 ? GX_TRUE : GX_FALSE);
}
GXInitTexObjLOD(o_texObj, (GXTexFilter)i_img->minFilter, (GXTexFilter)i_img->magFilter,
(f32)i_img->minLOD * 0.125f, (f32)i_img->maxLOD * 0.125f,
(f32)i_img->LODBias * 0.01f, (s32)i_img->biasClamp, (s32)i_img->doEdgeLOD,
(GXAnisotropy)i_img->maxAnisotropy);
return i_img->indexTexture;
}
J3DUClipper mDoLib_clipper::mClipper;
f32 mDoLib_clipper::mSystemFar;
f32 mDoLib_clipper::mFovyRate;
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 = DEG2S(fovy);
mFovyRate = cM_scos(tmp) / cM_ssin(tmp);
}
void mDoLib_project(Vec* src, Vec* dst) {
if (dComIfGd_getView() == NULL) {
dst->x = 0.0f;
dst->y = 0.0f;
dst->z = 0.0f;
return;
}
{ int unused; }
Vec multVec;
cMtx_multVec(*dComIfGd_getProjViewMtx(), src, &multVec);
f32 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;
}
if (calcFloat <= 0.0f) {
if (calcFloat == 0.0f) {
dst->z = multVec.z * 500000.0f;
} else {
dst->z = multVec.z * (0.5f / calcFloat);
}
calcFloat = 500000.0f;
} else {
calcFloat = 0.5f / calcFloat;
dst->z = multVec.z * calcFloat;
}
view_port_class* viewPort = dComIfGd_getViewport();
f32 xOffset;
f32 yOffset;
f32 xSize;
f32 ySize;
if (viewPort->x_orig != 0.0f) {
xOffset = (0.5f * ((2.0f * viewPort->x_orig) + viewPort->width)) - (int)(FB_WIDTH / 2);
xSize = FB_WIDTH;
} else {
xOffset = viewPort->x_orig;
xSize = viewPort->width;
}
if (viewPort->y_orig != 0.0f) {
yOffset = (0.5f * ((2.0f * viewPort->y_orig) + viewPort->height)) - (int)(FB_HEIGHT / 2);
ySize = FB_HEIGHT;
} else {
yOffset = viewPort->y_orig;
ySize = viewPort->height;
}
dst->x = ((0.5f + (multVec.x * calcFloat)) * xSize) + xOffset;
dst->y = ((0.5f + (multVec.y * (-calcFloat))) * ySize) + yOffset;
}
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()->viewMtx, src, dst);
}
static void dummy() {
std::tan(0.0f);
J3DAlphaComp* alphaComp = NULL;
alphaComp->setAlphaCompInfo((J3DAlphaCompInfo){});
J3DPEBlock* peBlock = NULL;
peBlock->getZMode()->setZModeInfo((J3DZModeInfo){});
dComIfGd_getInvViewMtx();
J3DMaterial* mat = NULL;
mat->getTevKColor(0);
mDoLib_clipper::clip(j3dSys.getViewMtx(), (Vec){}, 0.0f);
}