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This commit is contained in:
Miloslav Číž 2020-02-23 11:51:56 +01:00
parent 840a3b0d57
commit 7dfa0d32a5
1 changed files with 12 additions and 2 deletions
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14
main.c
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@ -344,6 +344,9 @@ struct
is a colliding item or not. */ is a colliding item or not. */
} SFG_currentLevel; } SFG_currentLevel;
/**
Helper function for accessing the itemCollisionMap bits.
*/
void SFG_getItemCollisionMapIndex( void SFG_getItemCollisionMapIndex(
uint8_t x, uint8_t y, uint16_t *byte, uint8_t *bit) uint8_t x, uint8_t y, uint16_t *byte, uint8_t *bit)
{ {
@ -1027,6 +1030,11 @@ RCL_Unit SFG_floorHeightAt(int16_t x, int16_t y)
doorHeight * SFG_DOOR_HEIGHT_STEP; doorHeight * SFG_DOOR_HEIGHT_STEP;
} }
/**
Like SFG_floorCollisionHeightAt, but takes into account colliding items on
the map, so the squares that have these items are higher. The former function
is for rendering, this one is for collision checking.
*/
RCL_Unit SFG_floorCollisionHeightAt(int16_t x, int16_t y) RCL_Unit SFG_floorCollisionHeightAt(int16_t x, int16_t y)
{ {
return SFG_floorHeightAt(x,y) + return SFG_floorHeightAt(x,y) +
@ -2093,7 +2101,9 @@ void SFG_updateLevel()
SFG_playerChangeHealth(-1 * SFG_getDamageValue(attackType)); SFG_playerChangeHealth(-1 * SFG_getDamageValue(attackType));
} }
// check collision with the map /* check collision with the map (we don't use SFG_floorCollisionHeightAt
because collisio with items has to be done differently for
projectiles) */
if (!eliminate && if (!eliminate &&
((SFG_floorHeightAt(pos[0] / RCL_UNITS_PER_SQUARE,pos[1] / ((SFG_floorHeightAt(pos[0] / RCL_UNITS_PER_SQUARE,pos[1] /
@ -2133,7 +2143,7 @@ void SFG_updateLevel()
{ {
const SFG_LevelElement *e = SFG_getActiveItemElement(j); const SFG_LevelElement *e = SFG_getActiveItemElement(j);
if (e != 0) if (e != 0 && SFG_itemCollides(e->type))
{ {
RCL_Unit x = SFG_ELEMENT_COORD_TO_RCL_UNITS(e->coords[0]); RCL_Unit x = SFG_ELEMENT_COORD_TO_RCL_UNITS(e->coords[0]);
RCL_Unit y = SFG_ELEMENT_COORD_TO_RCL_UNITS(e->coords[1]); RCL_Unit y = SFG_ELEMENT_COORD_TO_RCL_UNITS(e->coords[1]);