mirror of https://github.com/zeldaret/oot.git
101 lines
3.8 KiB
C
101 lines
3.8 KiB
C
#ifndef VIEW_H
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#define VIEW_H
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#include "avoid_ub.h"
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#include "ultra64.h"
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#include "z_math.h"
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struct GraphicsContext;
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typedef struct Viewport {
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/* 0x0 */ s32 topY; // uly (upper left y)
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/* 0x4 */ s32 bottomY; // lry (lower right y)
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/* 0x8 */ s32 leftX; // ulx (upper left x)
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/* 0xC */ s32 rightX; // lrx (lower right x)
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} Viewport; // size = 0x10
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#define SET_FULLSCREEN_VIEWPORT(view) \
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{ \
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Viewport viewport; \
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viewport.topY = 0; \
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viewport.bottomY = SCREEN_HEIGHT; \
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viewport.leftX = 0; \
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viewport.rightX = SCREEN_WIDTH; \
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View_SetViewport(view, &viewport); \
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} \
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(void)0
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typedef struct View {
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/* 0x000 */ s32 magic; // string literal "VIEW" / 0x56494557
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/* 0x004 */ struct GraphicsContext* gfxCtx;
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/* 0x008 */ Viewport viewport;
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/* 0x018 */ f32 fovy; // vertical field of view in degrees
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/* 0x01C */ f32 zNear; // distance to near clipping plane
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/* 0x020 */ f32 zFar; // distance to far clipping plane
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/* 0x024 */ f32 scale; // scale for matrix elements
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/* 0x028 */ Vec3f eye;
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/* 0x034 */ Vec3f at;
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/* 0x040 */ Vec3f up;
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/* 0x050 */ Vp vp;
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/* 0x060 */ Mtx projection;
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/* 0x0A0 */ Mtx viewing;
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/* 0x0E0 */ Mtx* projectionPtr;
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/* 0x0E4 */ Mtx* viewingPtr;
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/* 0x0E8 */ Vec3f distortionOrientation;
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/* 0x0F4 */ Vec3f distortionScale;
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/* 0x100 */ f32 distortionSpeed;
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/* 0x104 */ Vec3f curDistortionOrientation;
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/* 0x110 */ Vec3f curDistortionScale;
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/* 0x11C */ u16 normal; // used to normalize the projection matrix
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/* 0x120 */ s32 flags;
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/* 0x124 */ s32 unk_124;
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} View; // size = 0x128
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#define VIEW_VIEWING (1 << 0)
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#define VIEW_VIEWPORT (1 << 1)
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#define VIEW_PROJECTION_PERSPECTIVE (1 << 2)
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#define VIEW_PROJECTION_ORTHO (1 << 3)
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#define VIEW_ALL (VIEW_VIEWING | VIEW_VIEWPORT | VIEW_PROJECTION_PERSPECTIVE | VIEW_PROJECTION_ORTHO)
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#define VIEW_FORCE_VIEWING (VIEW_VIEWING << 4)
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#define VIEW_FORCE_VIEWPORT (VIEW_VIEWPORT << 4)
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#define VIEW_FORCE_PROJECTION_PERSPECTIVE (VIEW_PROJECTION_PERSPECTIVE << 4)
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#define VIEW_FORCE_PROJECTION_ORTHO (VIEW_PROJECTION_ORTHO << 4)
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#if DEBUG_FEATURES
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#define VIEW_ERROR_CHECK_EYE_POS(x, y, z) View_ErrorCheckEyePosition((x), (y), (z))
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#else
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#define VIEW_ERROR_CHECK_EYE_POS(x, y, z) (void)0
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#endif
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View* View_New(struct GraphicsContext* gfxCtx);
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void View_Free(View* view);
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void View_Init(View*, struct GraphicsContext*);
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void View_LookAt(View* view, Vec3f* eye, Vec3f* at, Vec3f* up);
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void View_LookAtUnsafe(View* view, Vec3f* eye, Vec3f* at, Vec3f* up);
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void View_SetScale(View* view, f32 scale);
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void View_GetScale(View* view, f32* scale);
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void View_SetPerspective(View* view, f32 fovy, f32 zNear, f32 zFar);
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void View_GetPerspective(View* view, f32* fovy, f32* zNear, f32* zFar);
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void View_SetOrtho(View* view, f32 fovy, f32 zNear, f32 zFar);
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void View_GetOrtho(View* view, f32* fovy, f32* zNear, f32* zFar);
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void View_SetViewport(View* view, Viewport* viewport);
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void View_GetViewport(View* view, Viewport* viewport);
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void View_SetDistortionOrientation(View* view, f32 rotX, f32 rotY, f32 rotZ);
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void View_SetDistortionScale(View* view, f32 scaleX, f32 scaleY, f32 scaleZ);
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BAD_RETURN(s32) View_SetDistortionSpeed(View* view, f32 speed);
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void View_InitDistortion(View* view);
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void View_ClearDistortion(View* view);
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void View_SetDistortion(View* view, Vec3f orientation, Vec3f scale, f32 speed);
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s32 View_StepDistortion(View* view, Mtx* projectionMtx);
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s32 View_Apply(View* view, s32 mask);
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s32 View_ApplyOrthoToOverlay(View* view);
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s32 View_ApplyPerspectiveToOverlay(View* view);
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s32 View_UpdateViewingMatrix(View* view);
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s32 View_ApplyTo(View* view, s32 mask, Gfx** gfxP);
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#if DEBUG_FEATURES
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s32 View_ErrorCheckEyePosition(f32 eyeX, f32 eyeY, f32 eyeZ);
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#endif
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#endif
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