518 lines
19 KiB
C
518 lines
19 KiB
C
#include <ultra64.h>
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#include "functions.h"
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#include "variables.h"
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extern void guPerspective(Mtx *, u16*, f32, f32, f32, f32, f32);
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extern f32 ml_dotProduct_vec3f(f32[3], f32[3]);
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#define VIEWPORT_FOVY_DEFAULT (40.0f)
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/* .data */
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f32 s_viewport_fovy = VIEWPORT_FOVY_DEFAULT; //fovy
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f32 s_viewport_aspect = 1.35185182f; //aspect
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f32 s_viewport_near = 30.0f; //near
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f32 s_viewport_far = 4000.0f; //far
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/* .data */
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f32 D_80280EA0[3];
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f32 viewportPosition[3];
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f32 viewportRotation[3];
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f32 D_80280ECC;
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f32 D_80280ED0[4][4];
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Vp s_viewport_stack[8];
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int D_80280F90;
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f32 D_80280F98[4][4];
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Mtx D_80280FD8;
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s32 s_viewport_stack_index; //viewport indx
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void func_8024F450(void);
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void func_8024F4AC(void);
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void func_8024C964(Gfx **, Mtx **, f32, f32);
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void func_8024CD7C(int);
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void viewport_set_position_f3(f32, f32, f32);
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void viewport_set_rotation_f3(f32, f32, f32);
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void viewport_set_near_far(f32, f32);
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void func_8024CE74(s32 arg0, s32 arg1, s32 arg2, s32 arg3);
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void viewport_set_field_of_view(f32);
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void func_80256E24(f32 [3], f32, f32, f32, f32, f32);
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/* .code */
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void func_8024C510(f32 arg0){
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f32 sp24[3];
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func_80256E24(sp24, viewportRotation[0], viewportRotation[1], 0.0f, 0.0f, arg0);
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viewportPosition[0] += sp24[0];
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viewportPosition[1] += sp24[1];
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viewportPosition[2] += sp24[2];
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}
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f32 viewport_getDistance(f32 arg0[3]){
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ml_distance_vec3f(arg0, viewportPosition);
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}
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void func_8024C5A8(f32 arg0[3]){
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ml_vec3f_copy(arg0, D_80280EA0);
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}
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void viewport_get_position_vec3f(f32 arg0[3]){
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ml_vec3f_copy(arg0, viewportPosition);
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}
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void veiwport_get_position_vec3w(s32 dst[3]){
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dst[0] = ((f32)(s32)(viewportPosition[0]*500.0))/500.0;
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dst[1] = ((f32)(s32)(viewportPosition[1]*500.0))/500.0;
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dst[2] = ((f32)(s32)(viewportPosition[2]*500.0))/500.0;
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}
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void veiwport_get_position_vec3s(s16 dst[3]){
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dst[0] = ((f32)(s32)(viewportPosition[0]*500.0))/500.0;
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dst[1] = ((f32)(s32)(viewportPosition[1]*500.0))/500.0;
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dst[2] = ((f32)(s32)(viewportPosition[2]*500.0))/500.0;
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}
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void viewport_get_rotation_vec3f(f32 arg0[3]){
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ml_vec3f_copy(arg0, viewportRotation);
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}
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f32 viewport_get_yaw(void){
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return viewportRotation[1];
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}
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void viewport_get_rotation_f3(f32 *pitch, f32 *yaw, f32 *roll){
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*pitch = viewportRotation[0];
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*yaw = viewportRotation[1];
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*roll = viewportRotation[2];
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}
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void func_8024C7B8(Gfx **gfx, Mtx **mtx){
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gSPViewport((*gfx)++, &s_viewport_stack[s_viewport_stack_index]);
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guOrtho(*mtx, -(2*(f32)framebuffer_width), (2*(f32)framebuffer_width), -(2*(f32)framebuffer_height), (2*(f32)framebuffer_height), 1.0f, 20.0f, 1.0f);
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gSPMatrix((*gfx)++, OS_K0_TO_PHYSICAL((*mtx)++), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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guTranslate(*mtx, 0.0f, 0.0f, 0.0f);
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gSPMatrix((*gfx)++, OS_K0_TO_PHYSICAL((*mtx)++), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
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}
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void func_8024C904(Gfx **gfx, Mtx **mtx){
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gSPViewport((*gfx)++, &s_viewport_stack[s_viewport_stack_index]);
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func_8024C964(gfx, mtx, s_viewport_near, s_viewport_far);
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}
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void func_8024C964(Gfx **gfx, Mtx **mtx, f32 near, f32 far){
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u16 sp5e;
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near = MAX(s_viewport_near, near);
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far = MIN(s_viewport_far, far);
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if(*(u32*)OS_PHYSICAL_TO_K1(0x1D8) + 0x53D4FFF0){
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near = 750.0f;
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far = 1250.0f;
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}
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guPerspective(*mtx, &sp5e, s_viewport_fovy, s_viewport_aspect, near, far, 0.5f);
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gSPPerspNormalize((*gfx)++, sp5e);
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gSPMatrix((*gfx)++, OS_PHYSICAL_TO_K0((*mtx)++), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
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guRotate(*mtx, -viewportRotation[2], 0.0f, 0.0f, -1.0f);
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gSPMatrix((*gfx)++, OS_PHYSICAL_TO_K0((*mtx)++), G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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guRotate(*mtx, -viewportRotation[0], 1.0f, 0.0f, 0.0f);
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gSPMatrix((*gfx)++, OS_PHYSICAL_TO_K0((*mtx)++), G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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guRotate(*mtx, -viewportRotation[1], 0.0f, 1.0f, 0.0f);
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gSPMatrix((*gfx)++, OS_PHYSICAL_TO_K0((*mtx)++), G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
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guTranslate(*mtx, 0.0f, 0.0f, 0.0f);
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gSPMatrix((*gfx)++, OS_PHYSICAL_TO_K0((*mtx)++), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
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}
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void func_8024CBD4(Gfx **gfx, Mtx **mtx){
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func_8024C964(gfx, mtx, s_viewport_near, s_viewport_far);
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}
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void viewport_debug(void){}
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void func_8024CC08(f32 arg0){
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if(90.0f < arg0) arg0 = 90.0f;
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if(arg0 < 5.0f) arg0 = 10.0f;
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D_80280ECC = arg0;
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}
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f32 func_8024CC50(void){
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return D_80280ECC;
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}
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void func_8024CC5C(void){
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func_8024CE74((s32) ((f32)framebuffer_width/2), (s32) ((f32)framebuffer_height/2), (s32) ((f32)framebuffer_width/2), (s32) ((f32)framebuffer_height/2));
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}
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void viewport_reset(void){
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func_8024CD7C(1);
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viewport_set_position_f3(0.0f, 0.0f, 0.0f);
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viewport_set_rotation_f3(0.0f, 0.0f, 0.0f);
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func_8024CC08(40.0f);
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viewport_set_near_far(1.0f, 10000.0f);
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func_8024CC5C();
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viewport_set_field_of_view(VIEWPORT_FOVY_DEFAULT);
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mlMtxIdent();
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mlMtxRotYaw(-60.0f);
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mlMtxRotPitch(-90.0f);
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mlMtxGet(&D_80280FD8);
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}
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void func_8024CD7C(int arg0){
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D_80280F90 = arg0;
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}
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void viewport_set_position_vec3f(f32 src[3]){
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ml_vec3f_copy(viewportPosition, src);
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}
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void viewport_set_position_vec3w(s32 src[3]){
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viewportPosition[0] = (f32)src[0];
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viewportPosition[1] = (f32)src[1];
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viewportPosition[2] = (f32)src[2];
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}
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void viewport_set_position_f3(f32 x, f32 y, f32 z){
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viewportPosition[0] = x;
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viewportPosition[1] = y;
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viewportPosition[2] = z;
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}
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void viewport_set_rotation_vec3f(f32 src[3]){
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ml_vec3f_copy(viewportRotation, src);
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}
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void viewport_set_rotation_f3(f32 pitch, f32 yaw, f32 roll){
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viewportRotation[0] = pitch;
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viewportRotation[1] = yaw;
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viewportRotation[2] = roll;
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}
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void viewport_set_near_far(f32 near, f32 far){
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s_viewport_near = near;
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s_viewport_far = far;
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}
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void func_8024CE74(s32 arg0, s32 arg1, s32 arg2, s32 arg3){
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s_viewport_stack_index = (s_viewport_stack_index + 1) % 8;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[0] = arg0 << 2;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[1] = arg1 << 2;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[2] = 0x1ff;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[3] = 0;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[0] = arg2 << 2;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[1] = arg3 << 2;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[2] = 0x1ff;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[3] = 0;
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osWritebackDCache(&s_viewport_stack[s_viewport_stack_index], sizeof(Vp)*8);
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}
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void func_8024CF10(f32 arg0, f32 arg1, f32 arg2, f32 arg3){
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s_viewport_stack_index = (s_viewport_stack_index + 1) % 8;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[0] = arg0*4;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[1] = arg1*4;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[2] = 0x1ff;
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s_viewport_stack[s_viewport_stack_index].vp.vscale[3] = 0;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[0] = arg2*4;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[1] = arg3*4;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[2] = 0x1ff;
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s_viewport_stack[s_viewport_stack_index].vp.vtrans[3] = 0;
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osWritebackDCache(&s_viewport_stack[s_viewport_stack_index], sizeof(Vp)*8);
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}
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void viewport_update(void){
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func_80256E24(D_80280ED0[0], viewportRotation[0], viewportRotation[1], -89.21774f, 0.0f, 45.168514251708984f);
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func_80256E24(D_80280ED0[1], viewportRotation[0], viewportRotation[1], 89.21774f, 0.0f, 45.168514251708984f);
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func_80256E24(D_80280ED0[2], viewportRotation[0], viewportRotation[1], 0.0f, 93.9692611694336f, 34.20201110839844f);
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func_80256E24(D_80280ED0[3], viewportRotation[0], viewportRotation[1], 0.0f, -93.9692611694336f, 34.20201110839844f);
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ml_vec3f_normalize(D_80280ED0[0]);
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ml_vec3f_normalize(D_80280ED0[1]);
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ml_vec3f_normalize(D_80280ED0[2]);
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ml_vec3f_normalize(D_80280ED0[3]);
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D_80280ED0[0][3] = -(viewportPosition[0]*D_80280ED0[0][0] + viewportPosition[1]*D_80280ED0[0][1] + viewportPosition[2]*D_80280ED0[0][2]);
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D_80280ED0[1][3] = -(viewportPosition[0]*D_80280ED0[1][0] + viewportPosition[1]*D_80280ED0[1][1] + viewportPosition[2]*D_80280ED0[1][2]);
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D_80280ED0[2][3] = -(viewportPosition[0]*D_80280ED0[2][0] + viewportPosition[1]*D_80280ED0[2][1] + viewportPosition[2]*D_80280ED0[2][2]);
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D_80280ED0[3][3] = -(viewportPosition[0]*D_80280ED0[3][0] + viewportPosition[1]*D_80280ED0[3][1] + viewportPosition[2]*D_80280ED0[3][2]);
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mlMtxIdent();
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mlMtxRotYaw(viewportRotation[1]);
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mlMtxRotPitch(viewportRotation[0]);
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mlMtxGet(&D_80280F98);
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D_80280EA0[0] = 0.0f;
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D_80280EA0[1] = 0.0f;
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D_80280EA0[2] = -1.0f;
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func_8025235C(D_80280EA0, D_80280EA0);
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}
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void func_8024D1EC(f32 arg0[4], f32 arg1[4], f32 arg2[4], f32 arg3[4]){
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s32 i;
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for(i = 0; i < 4; i++){
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arg0[i] = D_80280ED0[0][i];
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arg1[i] = D_80280ED0[1][i];
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arg2[i] = D_80280ED0[2][i];
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arg3[i] = D_80280ED0[3][i];
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}
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}
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void func_8024D2B0(f32 arg0[4], f32 arg1[4], f32 arg2[4], f32 arg3[4]){
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s32 i;
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for(i = 0; i < 4; i++){
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D_80280ED0[0][i] = arg0[i];
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D_80280ED0[1][i] = arg1[i];
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D_80280ED0[2][i] = arg2[i];
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D_80280ED0[3][i] = arg3[i];
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}
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}
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bool func_8024D374(f32 arg0[3], f32 arg1[3]) {
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if ((D_80280ED0[0][0] * arg0[0] + D_80280ED0[0][1] * arg0[1] + D_80280ED0[0][2] * arg0[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg0[0] + D_80280ED0[0][1] * arg0[1] + D_80280ED0[0][2] * arg1[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg0[0] + D_80280ED0[0][1] * arg1[1] + D_80280ED0[0][2] * arg0[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg0[0] + D_80280ED0[0][1] * arg1[1] + D_80280ED0[0][2] * arg1[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg1[0] + D_80280ED0[0][1] * arg0[1] + D_80280ED0[0][2] * arg0[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg1[0] + D_80280ED0[0][1] * arg0[1] + D_80280ED0[0][2] * arg1[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg1[0] + D_80280ED0[0][1] * arg1[1] + D_80280ED0[0][2] * arg0[2] + D_80280ED0[0][3]) >= 0.0f)
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if ((D_80280ED0[0][0] * arg1[0] + D_80280ED0[0][1] * arg1[1] + D_80280ED0[0][2] * arg1[2] + D_80280ED0[0][3]) >= 0.0f)
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return 0;
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if ((D_80280ED0[1][0] * arg0[0] + D_80280ED0[1][1] * arg0[1] + D_80280ED0[1][2] * arg0[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg0[0] + D_80280ED0[1][1] * arg0[1] + D_80280ED0[1][2] * arg1[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg0[0] + D_80280ED0[1][1] * arg1[1] + D_80280ED0[1][2] * arg0[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg0[0] + D_80280ED0[1][1] * arg1[1] + D_80280ED0[1][2] * arg1[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg1[0] + D_80280ED0[1][1] * arg0[1] + D_80280ED0[1][2] * arg0[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg1[0] + D_80280ED0[1][1] * arg0[1] + D_80280ED0[1][2] * arg1[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg1[0] + D_80280ED0[1][1] * arg1[1] + D_80280ED0[1][2] * arg0[2] + D_80280ED0[1][3]) >= 0.0f)
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if ((D_80280ED0[1][0] * arg1[0] + D_80280ED0[1][1] * arg1[1] + D_80280ED0[1][2] * arg1[2] + D_80280ED0[1][3]) >= 0.0f)
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return 0;
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if ((D_80280ED0[2][0] * arg0[0] + D_80280ED0[2][1] * arg0[1] + D_80280ED0[2][2] * arg0[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg0[0] + D_80280ED0[2][1] * arg0[1] + D_80280ED0[2][2] * arg1[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg0[0] + D_80280ED0[2][1] * arg1[1] + D_80280ED0[2][2] * arg0[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg0[0] + D_80280ED0[2][1] * arg1[1] + D_80280ED0[2][2] * arg1[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg1[0] + D_80280ED0[2][1] * arg0[1] + D_80280ED0[2][2] * arg0[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg1[0] + D_80280ED0[2][1] * arg0[1] + D_80280ED0[2][2] * arg1[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg1[0] + D_80280ED0[2][1] * arg1[1] + D_80280ED0[2][2] * arg0[2] + D_80280ED0[2][3]) >= 0.0f)
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if ((D_80280ED0[2][0] * arg1[0] + D_80280ED0[2][1] * arg1[1] + D_80280ED0[2][2] * arg1[2] + D_80280ED0[2][3]) >= 0.0f)
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return 0;
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if ((D_80280ED0[3][0] * arg0[0] + D_80280ED0[3][1] * arg0[1] + D_80280ED0[3][2] * arg0[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg0[0] + D_80280ED0[3][1] * arg0[1] + D_80280ED0[3][2] * arg1[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg0[0] + D_80280ED0[3][1] * arg1[1] + D_80280ED0[3][2] * arg0[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg0[0] + D_80280ED0[3][1] * arg1[1] + D_80280ED0[3][2] * arg1[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg1[0] + D_80280ED0[3][1] * arg0[1] + D_80280ED0[3][2] * arg0[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg1[0] + D_80280ED0[3][1] * arg0[1] + D_80280ED0[3][2] * arg1[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg1[0] + D_80280ED0[3][1] * arg1[1] + D_80280ED0[3][2] * arg0[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
if ((D_80280ED0[3][0] * arg1[0] + D_80280ED0[3][1] * arg1[1] + D_80280ED0[3][2] * arg1[2] + D_80280ED0[3][3]) >= 0.0f)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
|
|
bool func_8024D8F4(Cube *cube) {
|
|
f32 sp24[3];
|
|
f32 sp18[3];
|
|
|
|
sp24[0] = (f32) ((cube->x * 1000) - 150);
|
|
sp24[1] = (f32) ((cube->y * 1000) - 150);
|
|
sp24[2] = (f32) ((cube->z * 1000) - 150);
|
|
sp18[0] = sp24[0] + 1300.0f;
|
|
sp18[1] = sp24[1] + 1300.0f;
|
|
sp18[2] = sp24[2] + 1300.0f;
|
|
return func_8024D374(sp24, sp18);
|
|
}
|
|
|
|
bool func_8024D9B0(Cube *cube) {
|
|
f32 sp34[3];
|
|
f32 sp28[3];
|
|
f32 sp1C[3];
|
|
|
|
if (cube->x == -0x10) {
|
|
return TRUE;
|
|
}
|
|
sp1C[0] = (f32) ((cube->x * 1000) + 500) - viewportPosition[0];
|
|
sp1C[1] = (f32) ((cube->y * 1000) + 500) - viewportPosition[1];
|
|
sp1C[2] = (f32) ((cube->z * 1000) + 500) - viewportPosition[2];
|
|
if (LENGTH_SQ_VEC3F(sp1C) > 1.6e7f) {
|
|
return FALSE;
|
|
}
|
|
sp34[0] = (f32) ((cube->x * 1000) - 150);
|
|
sp34[1] = (f32) ((cube->y * 1000) - 150);
|
|
sp34[2] = (f32) ((cube->z * 1000) - 150);
|
|
sp28[0] = sp34[0] + 1300.0f;
|
|
sp28[1] = sp34[1] + 1300.0f;
|
|
sp28[2] = sp34[2] + 1300.0f;
|
|
return func_8024D374(sp34, sp28);
|
|
}
|
|
|
|
bool func_8024DB50(f32 arg0[3], f32 arg1) {
|
|
f32 delta[3];
|
|
s32 i;
|
|
|
|
delta[0] = arg0[0] - viewportPosition[0];
|
|
delta[1] = arg0[1] - viewportPosition[1];
|
|
delta[2] = arg0[2] - viewportPosition[2];
|
|
for(i = 0; i < 4; i++){
|
|
if(arg1 <= ml_dotProduct_vec3f(delta, D_80280ED0[i])){
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
bool func_8024DC04(f32 arg0, f32 arg1, f32 arg2) {
|
|
if (
|
|
(((D_80280ED0[0][0] * arg0) + (D_80280ED0[0][1] * arg1) + (D_80280ED0[0][2] * arg2) + D_80280ED0[0][3]) <= 0.0f)
|
|
&& (((D_80280ED0[1][0] * arg0) + (D_80280ED0[1][1] * arg1) + (D_80280ED0[1][2] * arg2) + D_80280ED0[1][3]) <= 0.0f)
|
|
&& (((D_80280ED0[2][0] * arg0) + (D_80280ED0[2][1] * arg1) + (D_80280ED0[2][2] * arg2) + D_80280ED0[2][3]) <= 0.0f)
|
|
&& (((D_80280ED0[3][0] * arg0) + (D_80280ED0[3][1] * arg1) + (D_80280ED0[3][2] * arg2) + D_80280ED0[3][3]) <= 0.0f)
|
|
) {
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
bool func_8024DD0C(f32 arg0[3]){
|
|
return func_8024DC04(arg0[0], arg0[1], arg0[2]);
|
|
}
|
|
|
|
bool func_8024DD34(f32 arg0, f32 arg1, f32 arg2) {
|
|
return ((D_80280ED0[2][0]*arg0 + D_80280ED0[2][1]*arg1 + D_80280ED0[2][2]*arg2 + D_80280ED0[2][3]) <= 0.0f);
|
|
}
|
|
|
|
Mtx *func_8024DD90(void){
|
|
return &D_80280F98;
|
|
}
|
|
|
|
Mtx *func_8024DD9C(void){
|
|
return &D_80280FD8;
|
|
}
|
|
|
|
f32 viewport_get_field_of_view(void){
|
|
return s_viewport_fovy;
|
|
}
|
|
|
|
void viewport_set_field_of_view(f32 fovy){
|
|
s_viewport_fovy = fovy;
|
|
}
|
|
|
|
f32 viewport_get_aspect_ratio(void){
|
|
return s_viewport_aspect;
|
|
}
|
|
|
|
f32 viewport_get_near(void){
|
|
return s_viewport_near;
|
|
}
|
|
|
|
f32 func_8024DDD8(s32 arg0, f32 arg1){
|
|
return mlNormalizeAngle((viewportRotation[1] + arg1) + 90.0);
|
|
}
|
|
|
|
f32 func_8024DE1C(f32 arg0, f32 arg1, f32 arg2[3], f32 arg3[3]) {
|
|
f32 fovy_rad;
|
|
static f32 D_8028101C;
|
|
static f32 D_80281020;
|
|
static f32 D_80281024;
|
|
|
|
if ((s_viewport_fovy != D_8028101C) || (s_viewport_near != D_80281020)) {
|
|
fovy_rad = (s_viewport_fovy * M_PI) / 360.0;
|
|
D_80281024 = (500.0 + s_viewport_near) / (((framebuffer_height / (f32)2) / sinf(fovy_rad)) * cosf(fovy_rad));
|
|
D_8028101C = s_viewport_fovy;
|
|
D_80281020 = s_viewport_near;
|
|
}
|
|
arg0 = arg0 - (framebuffer_width / (f32)2);
|
|
arg1 = (framebuffer_height / (f32)2) - arg1;
|
|
arg3[0] = viewportRotation[0];
|
|
arg3[1] = viewportRotation[1];
|
|
arg3[2] = viewportRotation[2];
|
|
arg2[0] = arg0 * D_80281024;
|
|
arg2[1] = arg1 * D_80281024;
|
|
arg2[2] = (-500.0 - s_viewport_near);
|
|
ml_vec3f_pitch_rotate_copy(arg2, arg2, arg3[0]);
|
|
ml_vec3f_yaw_rotate_copy(arg2, arg2, arg3[1]);
|
|
|
|
arg2[0] += viewportPosition[0];
|
|
arg2[1] += viewportPosition[1];
|
|
arg2[2] += viewportPosition[2];
|
|
return D_80281024;
|
|
}
|
|
|
|
f32 D_80281028[3];
|
|
f32 D_80281038[3];
|
|
f32 D_80281048[3];
|
|
f32 D_80281058[3];
|
|
f32 D_80281068[3];
|
|
f32 D_80281078[3];
|
|
f32 D_80281088[3];
|
|
f32 D_80281098[4][4];
|
|
|
|
bool func_8024E030(f32 arg0[3], f32 *arg1)
|
|
{
|
|
f32 sp34[3];
|
|
f32 temp_f2_2;
|
|
f32 temp_f2;
|
|
f32 sp28;
|
|
sp28 = (s_viewport_fovy * M_PI) / 360.0;
|
|
sp34[0] = arg0[0] - viewportPosition[0];
|
|
sp34[1] = arg0[1] - viewportPosition[1];
|
|
sp34[2] = arg0[2] - viewportPosition[2];
|
|
ml_vec3f_yaw_rotate_copy(sp34, sp34, -viewportRotation[1]);
|
|
ml_vec3f_pitch_rotate_copy(sp34, sp34, -viewportRotation[0]);
|
|
if ((-s_viewport_near) <= sp34[2]) {
|
|
return 0;
|
|
}
|
|
temp_f2 = gu_sqrtf((sp34[1] * sp34[1]) + (sp34[2] * sp34[2])) * sinf(sp28);
|
|
temp_f2_2 = (((f32) framebuffer_width) / ((f32) framebuffer_height)) * temp_f2;
|
|
arg1[0] = (f32) (((sp34[0] / temp_f2_2) + 1) * (((f32) framebuffer_width) / 2));
|
|
arg1[1] = (f32) ((1 - (sp34[1] / temp_f2)) * (((f32) framebuffer_height) / 2));
|
|
if ((arg1[0] < (-((f32) framebuffer_width))) || ((((f32) framebuffer_width) * 2) < arg1[0])) {
|
|
return 0;
|
|
}
|
|
if ((arg1[1] < (-((f32) framebuffer_height))) || ((((f32) framebuffer_height) * 2) < arg1[1])) {
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void func_8024E258(void){
|
|
s32 i, j;
|
|
viewport_get_position_vec3f(D_80281028);
|
|
viewport_get_rotation_vec3f(D_80281038);
|
|
func_8024D1EC(D_80281048, D_80281058, D_80281068, D_80281078);
|
|
func_8024C5A8(D_80281088);
|
|
for(i = 0; i < 4; i++){
|
|
for(j = 0; j < 4; j++){
|
|
D_80281098[i][j] = D_80280F98[i][j];
|
|
}
|
|
}
|
|
}
|
|
|
|
void func_8024E2FC(void){
|
|
s32 i, j;
|
|
viewport_set_position_vec3f(D_80281028);
|
|
viewport_set_rotation_vec3f(D_80281038);
|
|
func_8024D2B0(D_80281048, D_80281058, D_80281068, D_80281078);
|
|
ml_vec3f_copy(D_80280EA0, D_80281088);
|
|
for(i = 0; i < 4; i++){
|
|
for(j = 0; j < 4; j++){
|
|
D_80280F98[i][j] = D_80281098[i][j];
|
|
}
|
|
}
|
|
}
|
|
|
|
//moves the point(arg0) some distance (arg1) further away from the camera
|
|
void func_8024E3A8(f32 arg0[3], f32 distance){
|
|
f32 sp1C[3];
|
|
ml_vec3f_diff_copy(sp1C, viewportPosition, arg0);
|
|
ml_vec3f_set_length_copy(sp1C, sp1C, distance);
|
|
arg0[0] += sp1C[0];
|
|
arg0[1] += sp1C[1];
|
|
arg0[2] += sp1C[2];
|
|
}
|