tww/src/m_Do/m_Do_lib.cpp

//
// Generated by dtk
// Translation Unit: m_Do_lib.cpp
//

#include "m_Do/m_Do_lib.h"
#include "m_Do/m_Do_mtx.h"
#include "d/d_com_inf_game.h"
#include "JSystem/JMath/JMATrigonometric.h"
#include "JSystem/JUtility/JUTAssert.h"
#include "JSystem/JUtility/JUTTexture.h"
#include "dolphin/gx/GX.h"

/* 80017530-800176BC       .text mDoLib_setResTimgObj__FP7ResTIMGP9_GXTexObjUlP10_GXTlutObj */
u8 mDoLib_setResTimgObj(ResTIMG* i_img, GXTexObj* o_texObj, u32 i_tlut_name, GXTlutObj * o_tlutObj) {
    /* Nonmatching - regalloc */
    if (i_img->indexTexture) {
        JUT_ASSERT(0x2b, o_tlutObj != 0);
        GXInitTlutObj(o_tlutObj, ((char*)i_img) + i_img->paletteOffset, (GXTlutFmt)i_img->colorFormat, i_img->numColors);
        GXInitTexObjCI(o_texObj, ((char*)i_img) + i_img->imageOffset, i_img->width, i_img->height, (GXCITexFmt)i_img->format,
            (GXTexWrapMode)i_img->wrapS, (GXTexWrapMode)i_img->wrapT, (GXBool)(i_img->mipmapCount > 1), i_tlut_name);
    } else {
        GXInitTexObj(o_texObj, ((char*)i_img) + i_img->imageOffset, i_img->width, i_img->height, (GXTexFmt)i_img->format,
            (GXTexWrapMode)i_img->wrapS, (GXTexWrapMode)i_img->wrapT, (GXBool)(i_img->mipmapCount > 1));
    }

    GXInitTexObjLOD(o_texObj, (GXTexFilter)i_img->minFilter, (GXTexFilter)i_img->magFilter,
                    i_img->minLOD * 0.125f, i_img->maxLOD * 0.125f, i_img->LODBias * 0.01f,
                    (GXBool)i_img->biasClamp, (GXBool)i_img->doEdgeLOD,
                    (GXAnisotropy)i_img->maxAnisotropy);
    return i_img->indexTexture;
}

J3DUClipper mDoLib_clipper::mClipper;
f32 mDoLib_clipper::mSystemFar;
f32 mDoLib_clipper::mFovyRate;

/* 800176BC-80017748       .text setup__14mDoLib_clipperFffff */
void mDoLib_clipper::setup(f32 fovY, f32 aspect, f32 n, f32 f) {
    mClipper.setFovy(fovY);
    mClipper.setAspect(aspect);
    mClipper.setNear(n);
    mClipper.setFar(f);
    mSystemFar = f;
    mClipper.calcViewFrustum();

    s16 ang = (s16)(fovY * 182.04445f);
    mFovyRate = JMASCos(ang) / JMASSin(ang);
}

/* 80017748-80017924       .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();
    cMtx_multVec(*projMtx, src, dst);

    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 (dst->z >= 0.0f) {
        dst->z = 0.0f;
    }
    f32 f3;
    if (calcFloat <= 0.0f) {
        if (calcFloat == 0.0f) {
            dst->z *= 500000.0f;
        } else {
            dst->z *= (0.5f / calcFloat);
        }
        f3 = 500000.0f;
    } else {
        f3 = 0.5f / calcFloat;
        dst->z *= f3;
    }

    view_port_class* viewPort = dComIfGd_getViewport();
    f32 xOffset;
    f32 yOffset;
    f32 xSize;
    f32 ySize;
    if (viewPort->mXOrig != 0.0f) {
        xOffset = (0.5f * ((2.0f * viewPort->mXOrig) + viewPort->mWidth)) - 320.0f;
        xSize = 640.0f;
    } else {
        xOffset = viewPort->mXOrig;
        xSize = viewPort->mWidth;
    }

    if (viewPort->mYOrig != 0.0f) {
        yOffset = (0.5f * ((2.0f * viewPort->mYOrig) + viewPort->mHeight)) - 240.0f;
        ySize = 480.0f;
    } else {
        yOffset = viewPort->mYOrig;
        ySize = viewPort->mHeight;
    }

    dst->x = ((0.5f + (dst->x * f3)) * xSize) + xOffset;
    dst->y = ((0.5f + (dst->y * (-f3))) * ySize) + yOffset;
}

/* 80017924-80017960       .text mDoLib_pos2camera__FP3VecP3Vec */
void mDoLib_pos2camera(Vec* src, Vec* dst) {
    cMtx_multVec(dComIfGd_getView()->mViewMtx, src, dst);
}

/* 80017960-80017994       .text mDoLib_cnvind32__FUl */
u32 mDoLib_cnvind32(u32 r3) {
    u8 sp0C[4];
    u8 sp08[4];
    *(u32*)sp0C = r3;
    sp08[0] = sp0C[3];
    sp08[1] = sp0C[2];
    sp08[2] = sp0C[1];
    sp08[3] = sp0C[0];
    return *(u32*)sp08;
}

/* 80017994-800179B8       .text mDoLib_cnvind16__FUs */
u16 mDoLib_cnvind16(u16 r3) {
    u8 sp0C[2];
    u8 sp08[2];
    *(u16*)sp0C = r3;
    sp08[0] = sp0C[1];
    sp08[1] = sp0C[0];
    return *(u16*)sp08;
}