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N64: Splitscreen support

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UnknownShadow200 2024-09-16 19:33:47 +10:00
parent f425e865dd
commit a771fef5f0
5 changed files with 24 additions and 16 deletions
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1
src/Core.h
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@ -378,6 +378,7 @@ typedef cc_uint8 cc_bool;
#define CC_BUILD_NOMUSIC
#define CC_BUILD_NOSOUNDS
#define CC_BUILD_SMALLSTACK
#define CC_BUILD_SPLITSCREEN
#undef CC_BUILD_RESOURCES
#undef CC_BUILD_NETWORKING
#undef CC_BUILD_FILESYSTEM

5
src/ExtMath.h
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@ -34,6 +34,11 @@ CC_BEGIN_HEADER
float Math_Mod1(float x);
int Math_AbsI(int x);
static CC_INLINE float Math_SafeDiv(float a, float b) {
if (Math_AbsF(b) < 0.000001f) return MATH_LARGENUM;
return a / b;
}
CC_API double Math_Sin(double x);
CC_API double Math_Cos(double x);
CC_API float Math_SinF(float x);

11
src/Graphics_N64.c
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@ -72,8 +72,15 @@ void Gfx_SetVSync(cc_bool vsync) {
void Gfx_OnWindowResize(void) { }
void Gfx_SetViewport(int x, int y, int w, int h) { }
void Gfx_SetScissor (int x, int y, int w, int h) { }
void Gfx_SetViewport(int x, int y, int w, int h) {
glViewport(x, Game.Height - h - y, w, h);
}
void Gfx_SetScissor (int x, int y, int w, int h) {
cc_bool enabled = x != 0 || y != 0 || w != Game.Width || h != Game.Height;
if (enabled) { glEnable(GL_SCISSOR_TEST); } else { glDisable(GL_SCISSOR_TEST); }
glScissor(x, Game.Height - h - y, w, h);
}
void Gfx_BeginFrame(void) {

6
src/Physics.c
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@ -76,9 +76,9 @@ cc_bool Intersection_RayIntersectsRotatedBox(Vec3 origin, Vec3 dir, struct Entit
dir = Intersection_InverseRotate(dir, target);
Entity_GetPickingBounds(target, &bb);
invDir.x = 1.0f / dir.x;
invDir.y = 1.0f / dir.y;
invDir.z = 1.0f / dir.z;
invDir.x = Math_SafeDiv(1.0f, dir.x);
invDir.y = Math_SafeDiv(1.0f, dir.y);
invDir.z = Math_SafeDiv(1.0f, dir.z);
return Intersection_RayIntersectsBox(origin, invDir, bb.Min, bb.Max, tMin, tMax);
}

17
src/Picking.c
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@ -50,18 +50,13 @@ void RayTracer_SetInvalid(struct RayTracer* t) {
t->closest = FACE_COUNT;
}
static float RayTracer_Div(float a, float b) {
if (Math_AbsF(b) < 0.000001f) return MATH_LARGENUM;
return a / b;
}
void RayTracer_Init(struct RayTracer* t, const Vec3* origin, const Vec3* dir) {
IVec3 cellBoundary;
t->origin = *origin; t->dir = *dir;
t->invDir.x = RayTracer_Div(1.0f, dir->x);
t->invDir.y = RayTracer_Div(1.0f, dir->y);
t->invDir.z = RayTracer_Div(1.0f, dir->z);
t->invDir.x = Math_SafeDiv(1.0f, dir->x);
t->invDir.y = Math_SafeDiv(1.0f, dir->y);
t->invDir.z = Math_SafeDiv(1.0f, dir->z);
/* Rounds the position's X, Y and Z down to the nearest integer values. */
/* The cell in which the ray starts. */
@ -78,9 +73,9 @@ void RayTracer_Init(struct RayTracer* t, const Vec3* origin, const Vec3* dir) {
/* NOTE: we want it so if dir.x = 0, tmax.x = positive infinity
Determine how far we can travel along the ray before we hit a voxel boundary. */
t->tMax.x = RayTracer_Div(cellBoundary.x - origin->x, dir->x); /* Boundary is a plane on the YZ axis. */
t->tMax.y = RayTracer_Div(cellBoundary.y - origin->y, dir->y); /* Boundary is a plane on the XZ axis. */
t->tMax.z = RayTracer_Div(cellBoundary.z - origin->z, dir->z); /* Boundary is a plane on the XY axis. */
t->tMax.x = Math_SafeDiv(cellBoundary.x - origin->x, dir->x); /* Boundary is a plane on the YZ axis. */
t->tMax.y = Math_SafeDiv(cellBoundary.y - origin->y, dir->y); /* Boundary is a plane on the XZ axis. */
t->tMax.z = Math_SafeDiv(cellBoundary.z - origin->z, dir->z); /* Boundary is a plane on the XY axis. */
/* Determine how far we must travel along the ray before we have crossed a gridcell. */
t->tDelta.x = (float)t->step.x * t->invDir.x;