mirror of https://github.com/zeldaret/mm.git
512 lines
14 KiB
C
512 lines
14 KiB
C
#include <ultra64.h>
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#include <global.h>
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void View_ViewportToVp(Vp* dest, Viewport* src) {
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s32 width = src->rightX - src->leftX;
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s32 height = src->bottomY - src->topY;
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dest->vp.vscale[0] = width * 2;
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dest->vp.vscale[1] = height * 2;
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dest->vp.vscale[2] = 0x01FF;
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dest->vp.vscale[3] = 0;
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dest->vp.vtrans[0] = ((src->leftX * 2) + width) * 2;
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dest->vp.vtrans[1] = ((src->topY * 2) + height) * 2;
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dest->vp.vtrans[2] = 0x01FF;
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dest->vp.vtrans[3] = 0;
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if (src->leftX == 0 && src->rightX == 576 && src->topY == 0 && src->bottomY) {}
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}
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void View_Init(View* view, GraphicsContext* gfxCtx) {
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view->gfxCtx = gfxCtx;
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view->viewport.topY = 0;
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view->viewport.bottomY = 240;
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view->viewport.leftX = 0;
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view->viewport.rightX = 320;
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view->magic = 0x56494557; // "VIEW"
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view->unk164 = 0;
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view->flags = 1 | 2 | 4;
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if (1) {
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;
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}
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view->scale = 1.0f;
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view->upDir.y = 1.0f;
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view->fovy = 60.0f;
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view->eye.x = 0.0f;
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view->eye.y = 0.0f;
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view->focalPoint.x = 0.0f;
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view->upDir.x = 0.0f;
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view->upDir.z = 0.0f;
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view->zNear = 10.0f;
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view->zFar = 12800.0f;
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view->eye.z = -1.0f;
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View_InitCameraQuake(view);
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}
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void View_SetViewOrientation(View* view, Vec3f* eye, Vec3f* focalPoint, Vec3f* upDir) {
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if (eye->x == focalPoint->x && eye->z == focalPoint->z) {
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eye->z += 0.1f;
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upDir->z = 0.0f;
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upDir->x = 0.0f;
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upDir->y = 1.0f;
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}
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view->eye = *eye;
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view->focalPoint = *focalPoint;
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view->upDir = *upDir;
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view->flags |= 1;
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}
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void func_8013F050(View* view, Vec3f* eye, Vec3f* focalPoint, Vec3f* upDir) {
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view->eye = *eye;
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view->focalPoint = *focalPoint;
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view->upDir = *upDir;
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}
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void View_SetScale(View* view, f32 scale) {
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view->flags |= 4;
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view->scale = scale;
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}
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void View_GetScale(View* view, f32* scale) {
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*scale = view->scale;
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}
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void func_8013F0D0(View* view, f32 fovy, f32 zNear, f32 zFar) {
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view->fovy = fovy;
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view->zNear = zNear;
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view->zFar = zFar;
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view->flags |= 4;
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}
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void func_8013F100(View* view, f32* fovy, f32* zNear, f32* zFar) {
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*fovy = view->fovy;
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*zNear = view->zNear;
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*zFar = view->zFar;
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}
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void func_8013F120(View* view, f32 fovy, f32 zNear, f32 zFar) {
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view->fovy = fovy;
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view->zNear = zNear;
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view->zFar = zFar;
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view->flags |= 8;
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view->scale = 1.0f;
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}
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void func_8013F15C(View* view, f32* fovy, f32* zNear, f32* zFar) {
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*fovy = view->fovy;
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*zNear = view->zNear;
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*zFar = view->zFar;
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}
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void View_SetViewport(View* view, Viewport* viewport) {
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view->viewport = *viewport;
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view->flags |= 2;
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}
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void View_GetViewport(View* view, Viewport* viewport) {
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*viewport = view->viewport;
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}
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void View_WriteScissor(Gfx** gfx, s32 ulx, s32 uly, s32 lrx, s32 lry) {
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Gfx* gfxp = *gfx;
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gDPSetScissor(gfxp++, G_SC_NON_INTERLACE, ulx, uly, lrx, lry);
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*gfx = gfxp;
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}
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void View_SyncAndWriteScissor(View* view, Gfx** gfx) {
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Gfx* gfxp = *gfx;
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s32 ulx = view->viewport.leftX;
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s32 uly = view->viewport.topY;
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s32 lrx = view->viewport.rightX;
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s32 lry = view->viewport.bottomY;
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gDPPipeSync(gfxp++);
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View_WriteScissor(&gfxp, ulx, uly, lrx, lry);
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*gfx = gfxp;
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}
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void View_SetScissorForLetterbox(View* view) {
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s32 letterboxY;
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s32 letterboxX;
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s32 pad1;
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s32 ulx;
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s32 uly;
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s32 lrx;
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s32 lry;
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OPEN_DISPS(view->gfxCtx);
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letterboxY = ShrinkWindow_GetLetterboxMagnitude();
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letterboxX = -1; // The following is optimized to varX = 0 but affects codegen
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if (letterboxX < 0) {
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letterboxX = 0;
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}
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if (letterboxX > 160) {
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letterboxX = 160;
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}
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if (letterboxY < 0) {
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letterboxY = 0;
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} else if (letterboxY > 120) {
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letterboxY = 120;
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}
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ulx = view->viewport.leftX + letterboxX;
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uly = view->viewport.topY + letterboxY;
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lrx = view->viewport.rightX - letterboxX;
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lry = view->viewport.bottomY - letterboxY;
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gDPPipeSync(POLY_OPA_DISP++);
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{
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s32 pad3;
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Gfx* polyOpa;
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polyOpa = POLY_OPA_DISP;
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View_WriteScissor(&polyOpa, ulx, uly, lrx, lry);
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POLY_OPA_DISP = polyOpa;
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}
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gDPPipeSync(POLY_XLU_DISP++);
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{
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Gfx* polyXlu;
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s32 pad4;
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polyXlu = POLY_XLU_DISP;
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View_WriteScissor(&polyXlu, ulx, uly, lrx, lry);
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POLY_XLU_DISP = polyXlu;
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}
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CLOSE_DISPS(view->gfxCtx);
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}
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s32 View_SetQuakeRotation(View* view, f32 x, f32 y, f32 z) {
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view->quakeRot.x = x;
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view->quakeRot.y = y;
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view->quakeRot.z = z;
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return 1;
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}
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s32 View_SetQuakeScale(View* view, f32 x, f32 y, f32 z) {
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view->quakeScale.x = x;
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view->quakeScale.y = y;
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view->quakeScale.z = z;
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return 1;
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}
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s32 View_SetQuakeSpeed(View* view, f32 speed) {
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view->quakeSpeed = speed;
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return 1;
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}
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s32 View_InitCameraQuake(View* view) {
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view->quakeRot.x = 0.0f;
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view->quakeRot.y = 0.0f;
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view->quakeRot.z = 0.0f;
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view->quakeScale.x = 1.0f;
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view->quakeScale.y = 1.0f;
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view->quakeScale.z = 1.0f;
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view->currQuakeRot = view->quakeRot;
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view->currQuakeScale = view->quakeScale;
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view->quakeSpeed = 0.0f;
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return 1;
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}
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s32 View_ClearQuake(View* view) {
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view->quakeRot.x = 0.0f;
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view->quakeRot.y = 0.0f;
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view->quakeRot.z = 0.0f;
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view->quakeScale.x = 1.0f;
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view->quakeScale.y = 1.0f;
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view->quakeScale.z = 1.0f;
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view->quakeSpeed = 1.0f;
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return 1;
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}
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s32 View_SetQuake(View* view, Vec3f rot, Vec3f scale, f32 speed) {
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view->quakeRot = rot;
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view->quakeScale = scale;
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view->quakeSpeed = speed;
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return 1;
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}
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s32 View_StepQuake(View* view, RSPMatrix* matrix) {
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MtxF mf;
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if (view->quakeSpeed == 0.0f) {
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return 0;
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} else if (view->quakeSpeed == 1.0f) {
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view->currQuakeRot = view->quakeRot;
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view->currQuakeScale = view->quakeScale;
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view->quakeSpeed = 0.0f;
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} else {
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view->currQuakeRot.x += ((view->quakeRot.x - view->currQuakeRot.x) * view->quakeSpeed);
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view->currQuakeRot.y += ((view->quakeRot.y - view->currQuakeRot.y) * view->quakeSpeed);
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view->currQuakeRot.z += ((view->quakeRot.z - view->currQuakeRot.z) * view->quakeSpeed);
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view->currQuakeScale.x += ((view->quakeScale.x - view->currQuakeScale.x) * view->quakeSpeed);
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view->currQuakeScale.y += ((view->quakeScale.y - view->currQuakeScale.y) * view->quakeSpeed);
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view->currQuakeScale.z += ((view->quakeScale.z - view->currQuakeScale.z) * view->quakeSpeed);
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}
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SysMatrix_FromRSPMatrix(matrix, &mf);
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SysMatrix_SetCurrentState(&mf);
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SysMatrix_RotateStateAroundXAxis(view->currQuakeRot.x);
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SysMatrix_InsertYRotation_f(view->currQuakeRot.y, 1);
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SysMatrix_InsertZRotation_f(view->currQuakeRot.z, 1);
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Matrix_Scale(view->currQuakeScale.x, view->currQuakeScale.y, view->currQuakeScale.z, 1);
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SysMatrix_InsertZRotation_f(-view->currQuakeRot.z, 1);
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SysMatrix_InsertYRotation_f(-view->currQuakeRot.y, 1);
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SysMatrix_RotateStateAroundXAxis(-view->currQuakeRot.x);
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SysMatrix_GetStateAsRSPMatrix(matrix);
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return 1;
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}
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void View_RenderView(View* view, s32 uParm2) {
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uParm2 = (view->flags & uParm2) | uParm2 >> 4;
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if (uParm2 & 8) {
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View_RenderToOrthographicMatrix(view);
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} else {
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View_RenderToPerspectiveMatrix(view);
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}
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}
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s32 View_RenderToPerspectiveMatrix(View* view) {
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f32 aspect;
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s32 width;
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s32 height;
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Vp* vp;
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Mtx* projection;
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Mtx* viewing;
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GraphicsContext* gfxCtx = view->gfxCtx;
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OPEN_DISPS(gfxCtx);
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vp = GRAPH_ALLOC(gfxCtx, sizeof(*vp));
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View_ViewportToVp(vp, &view->viewport);
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view->vp = *vp;
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View_SetScissorForLetterbox(view);
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gSPViewport(POLY_OPA_DISP++, vp);
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gSPViewport(POLY_XLU_DISP++, vp);
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projection = GRAPH_ALLOC(gfxCtx, sizeof(*projection));
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view->projectionPtr = projection;
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width = view->viewport.rightX - view->viewport.leftX;
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height = view->viewport.bottomY - view->viewport.topY;
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aspect = (f32)width / (f32)height;
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guPerspective(projection, &view->normal, view->fovy, aspect, view->zNear, view->zFar, view->scale);
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view->projection = *projection;
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//! @bug: This cast of `projection` is invalid
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View_StepQuake(view, (RSPMatrix*)projection);
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gSPPerspNormalize(POLY_OPA_DISP++, view->normal);
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gSPMatrix(POLY_OPA_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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gSPPerspNormalize(POLY_XLU_DISP++, view->normal);
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gSPMatrix(POLY_XLU_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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viewing = GRAPH_ALLOC(gfxCtx, sizeof(*viewing));
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view->viewingPtr = viewing;
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if (view->eye.x == view->focalPoint.x && view->eye.y == view->focalPoint.y && view->eye.z == view->focalPoint.z) {
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view->eye.z += 2.0f;
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}
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guLookAt(viewing, view->eye.x, view->eye.y, view->eye.z, view->focalPoint.x, view->focalPoint.y, view->focalPoint.z,
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view->upDir.x, view->upDir.y, view->upDir.z);
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view->viewing = *viewing;
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gSPMatrix(POLY_OPA_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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gSPMatrix(POLY_XLU_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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CLOSE_DISPS(gfxCtx);
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return 1;
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}
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s32 View_RenderToOrthographicMatrix(View* view) {
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Vp* vp;
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Mtx* projection;
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GraphicsContext* gfxCtx = view->gfxCtx;
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OPEN_DISPS(gfxCtx);
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vp = GRAPH_ALLOC(gfxCtx, sizeof(*vp));
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View_ViewportToVp(vp, &view->viewport);
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view->vp = *vp;
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View_SetScissorForLetterbox(view);
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gSPViewport(POLY_OPA_DISP++, vp);
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gSPViewport(POLY_XLU_DISP++, vp);
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gSPViewport(OVERLAY_DISP++, vp);
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projection = GRAPH_ALLOC(gfxCtx, sizeof(*projection));
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view->projectionPtr = projection;
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guOrtho(projection, gScreenWidth * -0.5f, gScreenWidth * 0.5f, gScreenHeight * -0.5f, gScreenHeight * 0.5f,
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view->zNear, view->zFar, view->scale);
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view->projection = *projection;
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gSPMatrix(POLY_OPA_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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gSPMatrix(POLY_XLU_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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CLOSE_DISPS(gfxCtx);
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return 1;
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}
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s32 func_8013FBC8(View* view) {
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Vp* vp;
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Mtx* projection;
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GraphicsContext* gfxCtx;
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gfxCtx = view->gfxCtx;
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OPEN_DISPS(gfxCtx);
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vp = GRAPH_ALLOC(gfxCtx, sizeof(*vp));
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View_ViewportToVp(vp, &view->viewport);
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view->vp = *vp;
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gDPPipeSync(OVERLAY_DISP++);
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{
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Gfx* overlay;
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s32 pad;
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overlay = OVERLAY_DISP;
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View_WriteScissor(&overlay, view->viewport.leftX, view->viewport.topY, view->viewport.rightX,
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view->viewport.bottomY);
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OVERLAY_DISP = overlay;
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}
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gSPViewport(OVERLAY_DISP++, vp);
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projection = GRAPH_ALLOC(gfxCtx, sizeof(*projection));
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view->projectionPtr = projection;
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guOrtho(projection, gScreenWidth * -0.5f, gScreenWidth * 0.5f, gScreenHeight * -0.5f, gScreenHeight * 0.5f,
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view->zNear, view->zFar, view->scale);
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view->projection = *projection;
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gSPMatrix(OVERLAY_DISP++, projection, G_MTX_LOAD | G_MTX_PROJECTION);
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CLOSE_DISPS(gfxCtx);
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return 1;
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}
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s32 func_8013FD74(View* view) {
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f32 aspect;
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s32 width;
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s32 height;
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Vp* vp;
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Mtx* projection;
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Mtx* viewing;
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GraphicsContext* gfxCtx;
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s32 pad;
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gfxCtx = view->gfxCtx;
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OPEN_DISPS(gfxCtx);
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vp = GRAPH_ALLOC(gfxCtx, sizeof(*vp));
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View_ViewportToVp(vp, &view->viewport);
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view->vp = *vp;
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gDPPipeSync(OVERLAY_DISP++);
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{
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s32 pad;
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Gfx* overlay;
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overlay = OVERLAY_DISP;
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View_WriteScissor(&overlay, view->viewport.leftX, view->viewport.topY, view->viewport.rightX,
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view->viewport.bottomY);
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OVERLAY_DISP = overlay;
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}
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gSPViewport(OVERLAY_DISP++, vp);
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projection = GRAPH_ALLOC(gfxCtx, sizeof(*projection));
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view->projectionPtr = projection;
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width = view->viewport.rightX - view->viewport.leftX;
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height = view->viewport.bottomY - view->viewport.topY;
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aspect = (f32)width / (f32)height;
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guPerspective(projection, &view->normal, view->fovy, aspect, view->zNear, view->zFar, view->scale);
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view->projection = *projection;
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gSPPerspNormalize(OVERLAY_DISP++, view->normal);
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gSPMatrix(OVERLAY_DISP++, projection, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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viewing = GRAPH_ALLOC(gfxCtx, sizeof(*viewing));
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view->viewingPtr = viewing;
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if (view->eye.x == view->focalPoint.x && view->eye.y == view->focalPoint.y && view->eye.z == view->focalPoint.z) {
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view->eye.z += 2.0f;
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}
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guLookAt(viewing, view->eye.x, view->eye.y, view->eye.z, view->focalPoint.x, view->focalPoint.y, view->focalPoint.z,
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view->upDir.x, view->upDir.y, view->upDir.z);
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view->viewing = *viewing;
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gSPMatrix(OVERLAY_DISP++, viewing, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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CLOSE_DISPS(gfxCtx);
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return 1;
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|
}
|
|
|
|
s32 func_80140024(View* view) {
|
|
guLookAt(view->viewingPtr, view->eye.x, view->eye.y, view->eye.z, view->focalPoint.x, view->focalPoint.y,
|
|
view->focalPoint.z, view->upDir.x, view->upDir.y, view->upDir.z);
|
|
|
|
view->unkE0 = *view->viewingPtr;
|
|
view->viewingPtr = &view->unkE0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
s32 func_801400CC(View* view, Gfx** gfxp) {
|
|
Gfx* gfx = *gfxp;
|
|
GraphicsContext* gfxCtx = view->gfxCtx;
|
|
Viewport* viewport = &view->viewport;
|
|
Mtx* projection;
|
|
Vp* vp;
|
|
|
|
vp = GRAPH_ALLOC(gfxCtx, sizeof(*vp));
|
|
View_ViewportToVp(vp, viewport);
|
|
view->vp = *vp;
|
|
|
|
View_SyncAndWriteScissor(view, &gfx);
|
|
|
|
gSPViewport(gfx++, vp);
|
|
|
|
projection = GRAPH_ALLOC(gfxCtx, sizeof(*projection));
|
|
view->projectionPtr = projection;
|
|
|
|
guOrtho(projection, gScreenWidth * -0.5f, gScreenWidth * 0.5f, gScreenHeight * -0.5f, gScreenHeight * 0.5f,
|
|
view->zNear, view->zFar, view->scale);
|
|
|
|
view->projection = *projection;
|
|
|
|
gSPMatrix(gfx++, projection, G_MTX_LOAD | G_MTX_PROJECTION);
|
|
*gfxp = gfx;
|
|
|
|
return 1;
|
|
}
|