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Refactor to make surface iteration easier to make safer

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This commit is contained in:
jaburns
2020-10-29 16:25:10 -06:00
parent 3d7bac44df
commit 5dfa2678c4
6 changed files with 72 additions and 77 deletions
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src/decomp/engine/surface_collision.c
+18 -15
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@@ -13,10 +13,11 @@ static struct Surface *find_ceil_from_list( s32 x, s32 y, s32 z, f32 *pheight) {
ceil = NULL;
// Stay in this loop until out of ceilings.
int count = loaded_surface_get_count();
for( int i = 0; i < count; ++i ) {
surf = loaded_surface_get_at_index(i);
uint32_t groupCount = loaded_surface_iter_group_count();
for( int i = 0; i < groupCount; ++i ) {
uint32_t surfCount = loaded_surface_iter_group_size( i );
for( int j = 0; j < surfCount; ++j ) {
surf = loaded_surface_iter_get_at_index( i, j );
// Do the check normally done in add_surface_to_cell
if( surf->normal.y >= -0.01f ) continue;
@@ -71,7 +72,7 @@ static struct Surface *find_ceil_from_list( s32 x, s32 y, s32 z, f32 *pheight) {
ceil = surf;
}
}
}
}}
return ceil;
}
@@ -86,10 +87,11 @@ static struct Surface *find_floor_from_list( s32 x, s32 y, s32 z, f32 *pheight)
f32 height;
struct Surface *floor = NULL;
// Iterate through the list of floors until there are no more floors.
int count = loaded_surface_get_count();
for( int i = 0; i < count; ++i ) {
surf = loaded_surface_get_at_index(i);
uint32_t groupCount = loaded_surface_iter_group_count();
for( int i = 0; i < groupCount; ++i ) {
uint32_t surfCount = loaded_surface_iter_group_size( i );
for( int j = 0; j < surfCount; ++j ) {
surf = loaded_surface_iter_get_at_index( i, j );
// Do the check normally done in add_surface_to_cell
if( surf->normal.y <= 0.01f ) continue;
@@ -137,7 +139,7 @@ static struct Surface *find_floor_from_list( s32 x, s32 y, s32 z, f32 *pheight)
*pheight = height;
floor = surf;
}
}
}}
return floor;
}
@@ -158,10 +160,11 @@ static s32 find_wall_collisions_from_list( struct WallCollisionData *data) {
radius = 200.0f;
}
// Stay in this loop until out of walls.
int count = loaded_surface_get_count();
for( int i = 0; i < count; ++i ) {
surf = loaded_surface_get_at_index(i);
uint32_t groupCount = loaded_surface_iter_group_count();
for( int i = 0; i < groupCount; ++i ) {
uint32_t surfCount = loaded_surface_iter_group_size( i );
for( int j = 0; j < surfCount; ++j ) {
surf = loaded_surface_iter_get_at_index( i, j );
// Do the check normally done in add_surface_to_cell
if( surf->normal.y < -0.01f || surf->normal.y > 0.01f ) continue;
@@ -251,7 +254,7 @@ static s32 find_wall_collisions_from_list( struct WallCollisionData *data) {
}
numCols++;
}
}}
return numCols;
}
src/decomp/game/platform_displacement.c
+4 -16
View File
@@ -47,16 +47,13 @@ void update_mario_platform(void) {
switch (awayFromFloor) {
case 1:
g_state->mgMarioPlatform = NULL;
gMarioObject->platform = NULL;
break;
case 0:
if (floor != NULL && floor->object != NULL) {
g_state->mgMarioPlatform = floor->object;
gMarioObject->platform = floor->object;
if (floor != NULL && floor->transform != NULL) {
gMarioObject->platform = floor->transform;
} else {
g_state->mgMarioPlatform = NULL;
gMarioObject->platform = NULL;
}
break;
@@ -166,16 +163,7 @@ void apply_platform_displacement(u32 isMario, struct SurfaceObjectTransform *pla
* If Mario's platform is not null, apply platform displacement.
*/
void apply_mario_platform_displacement(void) {
struct SurfaceObjectTransform *platform = g_state->mgMarioPlatform;
if (gMarioObject != NULL && platform != NULL) {
apply_platform_displacement(TRUE, platform);
if (gMarioObject != NULL && gMarioObject->platform != NULL) {
apply_platform_displacement(TRUE, gMarioObject->platform);
}
}
/**
* Set Mario's platform to NULL.
*/
void clear_mario_platform(void) {
g_state->mgMarioPlatform = NULL;
}
src/decomp/game/platform_displacement.h
-1
View File
@@ -6,6 +6,5 @@
void update_mario_platform(void);
void apply_mario_platform_displacement(void);
void clear_mario_platform(void);
#endif // PLATFORM_DISPLACEMENT_H
src/decomp/include/types.h
+23 -7
View File
@@ -8,6 +8,7 @@
#include "macros.h"
#include "PR/ultratypes.h"
// Certain functions are marked as having return values, but do not
// actually return a value. This causes undefined behavior, which we'd rather
// avoid on modern GCC. This only impacts -O2 and can matter for both the function
@@ -84,13 +85,27 @@ enum SpTaskState {
#define ANIM_FLAG_6 (1 << 6) // 0x40
#define ANIM_FLAG_7 (1 << 7) // 0x80
// Added by libsm64
struct SurfaceObjectTransform
{
float aPosX, aPosY, aPosZ;
float aVelX, aVelY, aVelZ;
s16 aFaceAnglePitch;
s16 aFaceAngleYaw;
s16 aFaceAngleRoll;
s16 aAngleVelPitch;
s16 aAngleVelYaw;
s16 aAngleVelRoll;
};
struct Animation {
/*0x00*/ s16 flags;
/*0x02*/ s16 animYTransDivisor;
/*0x04*/ s16 startFrame;
/*0x06*/ s16 loopStart;
/*0x08*/ s16 loopEnd;
/*0x0A*/ s16 unusedBoneCount;
/*0x08*/ s16 loopEnd; /*0x0A*/ s16 unusedBoneCount;
/*0x0C*/ s16 *values;
/*0x10*/ u16 *index;
/*0x14*/ u32 length; // only used with Mario animations to determine how much to load. 0 otherwise.
@@ -199,7 +214,7 @@ struct Object
/*0x208*/ f32 hitboxDownOffset;
/*0x20C*/ const BehaviorScript *behavior;
/*0x210*/ u32 unused2;
/*0x214*/ struct Object *platform;
/*0x214*/ struct SurfaceObjectTransform *platform; // libsm64: type change from Object*
/*0x218*/ void *collisionData;
/*0x21C*/ Mat4 transform;
/*0x25C*/ void *respawnInfo;
@@ -241,9 +256,10 @@ struct Surface
f32 z;
} normal;
/*0x28*/ f32 originOffset;
/*0x2C*/ struct Object *object;
u16 terrain;
// /*0x2C*/ struct Object *object;
struct SurfaceObjectTransform *transform; // libsm64: added field
u16 terrain; // libsm64: added field
};
struct MarioBodyState
@@ -346,7 +362,7 @@ struct MarioState
/*0xC0*/ f32 quicksandDepth;
/*0xC4*/ f32 unkC4;
u16 curTerrain;
u16 curTerrain; // libsm64: added field
};
#endif // TYPES_H