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Prevent crush by wooden crates 

Changelog:
- collision check return status for:
    0 - no collision
    1 - non-fragile collision
    2 - fragile collision
- Update crushing function
scene_man
En Yi 2023-06-05 22:21:48 +08:00
parent 57cb3ef07a
commit bab18dd5e9
1 changed files with 8 additions and 7 deletions
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15
scenes/game_systems.c
View File

@ -43,14 +43,16 @@ typedef struct CollideEntity {
// ------------------------- Collision functions ------------------------------------
// Do not subtract one for the size for any collision check, just pass normally. The extra one is important for AABB test
static bool check_collision(const CollideEntity_t* ent, TileGrid_t* grid, bool check_oneway)
static uint8_t check_collision(const CollideEntity_t* ent, TileGrid_t* grid, bool check_oneway)
{
for(unsigned int tile_y = ent->area.tile_y1; tile_y <= ent->area.tile_y2; tile_y++)
{
if (tile_y >= grid->height) return 0;
for(unsigned int tile_x = ent->area.tile_x1; tile_x <= ent->area.tile_x2; tile_x++)
{
if (tile_x >= grid->width) return 0;
unsigned int tile_idx = tile_y*grid->width + tile_x;
if (grid->tiles[tile_idx].solid == SOLID) return true;
if (grid->tiles[tile_idx].solid == SOLID) return 1;
Vector2 overlap;
if (check_oneway && grid->tiles[tile_idx].solid == ONE_WAY)
@ -62,7 +64,7 @@ static bool check_collision(const CollideEntity_t* ent, TileGrid_t* grid, bool c
);
//For one-way platform, check for vectical collision, only return true for up direction
if (overlap.y != 0 && ent->prev_bbox.y + ent->prev_bbox.height - 1 < tile_y * TILE_SIZE) return true;
if (overlap.y != 0 && ent->prev_bbox.y + ent->prev_bbox.height - 1 < tile_y * TILE_SIZE) return 1;
}
Entity_t* p_other_ent;
@ -84,13 +86,13 @@ static bool check_collision(const CollideEntity_t* ent, TileGrid_t* grid, bool c
)
)
{
return true;
return (p_bbox->fragile) ? 2 : 1;
}
}
}
}
}
return false;
return 0;
}
// TODO: This should be a point collision check, not an AABB check
@ -619,7 +621,7 @@ void player_crushing_system(Scene_t* scene)
.tile_y2 = (p_ctransform->position.y + p_bbox->size.y - 1) / TILE_SIZE,
},
};
if (check_collision(&ent, &tilemap, false))
if (check_collision(&ent, &tilemap, false) == 1)
{
memset(&p_ctransform->position, 0, sizeof(p_ctransform->position));
memset(&p_ctransform->velocity, 0, sizeof(p_ctransform->velocity));
@ -1189,7 +1191,6 @@ void state_transition_update_system(Scene_t* scene)
p_ctransform->position.y + p_bbox->half_size.y,
data->tilemap.width
);
in_water = (data->tilemap.tiles[tile_idx].water_level > 0);
}
else