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Reorder functions
This commit is contained in:
Miloslav Číž
parent
e692b12fc0
commit
88a83abbdd
148
game.h
148
game.h
@ -1999,6 +1999,80 @@ void SFG_removeItem(uint8_t index)
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SFG_currentLevel.itemRecordCount--;
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}
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/**
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Checks a 3D point visibility from player's position (WITHOUT considering
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facing direction).
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*/
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static inline uint8_t SFG_spriteIsVisible(RCL_Vector2D pos, RCL_Unit height)
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{
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return
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RCL_castRay3D(
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SFG_player.camera.position,
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SFG_player.camera.height,
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pos,
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height,
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SFG_floorHeightAt,
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SFG_ceilingHeightAt,
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SFG_game.visibilityRayConstraints
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) == RCL_UNITS_PER_SQUARE;
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}
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RCL_Unit SFG_directionTangent(RCL_Unit dirX, RCL_Unit dirY, RCL_Unit dirZ)
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{
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RCL_Vector2D v;
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v.x = dirX;
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v.y = dirY;
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return (dirZ * RCL_UNITS_PER_SQUARE) / RCL_len(v);
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}
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/**
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Returns a tangent in RCL_Unit of vertical autoaim, given current game state.
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*/
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RCL_Unit SFG_autoaimVertically()
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{
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for (uint16_t i = 0; i < SFG_currentLevel.monsterRecordCount; ++i)
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{
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SFG_MonsterRecord m = SFG_currentLevel.monsterRecords[i];
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uint8_t state = SFG_MR_STATE(m);
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if (state == SFG_MONSTER_STATE_INACTIVE ||
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state == SFG_MONSTER_STATE_DEAD)
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continue;
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RCL_Vector2D worldPosition, toMonster;
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worldPosition.x = SFG_MONSTER_COORD_TO_RCL_UNITS(m.coords[0]);
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worldPosition.y = SFG_MONSTER_COORD_TO_RCL_UNITS(m.coords[1]);
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toMonster.x = worldPosition.x - SFG_player.camera.position.x;
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toMonster.y = worldPosition.y - SFG_player.camera.position.y;
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if (RCL_abs(
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RCL_vectorsAngleCos(SFG_player.direction,toMonster)
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- RCL_UNITS_PER_SQUARE) < SFG_VERTICAL_AUTOAIM_ANGLE_THRESHOLD)
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{
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uint8_t spriteSize = SFG_GET_MONSTER_SPRITE_SIZE(
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SFG_MONSTER_TYPE_TO_INDEX(SFG_MR_TYPE(m)));
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RCL_Unit worldHeight =
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SFG_floorHeightAt(
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SFG_MONSTER_COORD_TO_SQUARES(m.coords[0]),
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SFG_MONSTER_COORD_TO_SQUARES(m.coords[1]))
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+
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SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(spriteSize);
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if (SFG_spriteIsVisible(worldPosition,worldHeight))
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return SFG_directionTangent(toMonster.x,toMonster.y,
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worldHeight - (SFG_player.camera.height));
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}
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}
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return 0;
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}
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/**
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Helper function, returns a pointer to level element representing item with
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given index, but only if the item is active (otherwise 0 is returned).
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@ -2154,24 +2228,6 @@ void SFG_getMonsterWorldPosition(SFG_MonsterRecord *monster, RCL_Unit *x,
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+ RCL_UNITS_PER_SQUARE / 2;
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}
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/**
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Checks a 3D point visibility from player's position (WITHOUT considering
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facing direction).
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*/
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static inline uint8_t SFG_spriteIsVisible(RCL_Vector2D pos, RCL_Unit height)
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{
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return
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RCL_castRay3D(
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SFG_player.camera.position,
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SFG_player.camera.height,
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pos,
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height,
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SFG_floorHeightAt,
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SFG_ceilingHeightAt,
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SFG_game.visibilityRayConstraints
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) == RCL_UNITS_PER_SQUARE;
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}
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void SFG_monsterPerformAI(SFG_MonsterRecord *monster)
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{
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uint8_t state = SFG_MR_STATE(*monster);
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@ -2899,62 +2955,6 @@ static inline uint16_t SFG_getMapRevealBit(uint8_t squareX, uint8_t squareY)
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return 1 << ((squareY / 16) * 4 + squareX / 16);
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}
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RCL_Unit SFG_directionTangent(RCL_Unit dirX, RCL_Unit dirY, RCL_Unit dirZ)
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{
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RCL_Vector2D v;
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v.x = dirX;
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v.y = dirY;
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return (dirZ * RCL_UNITS_PER_SQUARE) / RCL_len(v);
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}
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/**
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Returns a tangent in RCL_Unit of vertical autoaim, given current game state.
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*/
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RCL_Unit SFG_autoaimVertically()
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{
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for (uint16_t i = 0; i < SFG_currentLevel.monsterRecordCount; ++i)
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{
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SFG_MonsterRecord m = SFG_currentLevel.monsterRecords[i];
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uint8_t state = SFG_MR_STATE(m);
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if (state == SFG_MONSTER_STATE_INACTIVE ||
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state == SFG_MONSTER_STATE_DEAD)
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continue;
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RCL_Vector2D worldPosition, toMonster;
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worldPosition.x = SFG_MONSTER_COORD_TO_RCL_UNITS(m.coords[0]);
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worldPosition.y = SFG_MONSTER_COORD_TO_RCL_UNITS(m.coords[1]);
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toMonster.x = worldPosition.x - SFG_player.camera.position.x;
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toMonster.y = worldPosition.y - SFG_player.camera.position.y;
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if (RCL_abs(
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RCL_vectorsAngleCos(SFG_player.direction,toMonster)
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- RCL_UNITS_PER_SQUARE) < SFG_VERTICAL_AUTOAIM_ANGLE_THRESHOLD)
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{
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uint8_t spriteSize = SFG_GET_MONSTER_SPRITE_SIZE(
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SFG_MONSTER_TYPE_TO_INDEX(SFG_MR_TYPE(m)));
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RCL_Unit worldHeight =
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SFG_floorHeightAt(
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SFG_MONSTER_COORD_TO_SQUARES(m.coords[0]),
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SFG_MONSTER_COORD_TO_SQUARES(m.coords[1]))
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+
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SFG_SPRITE_SIZE_TO_HEIGHT_ABOVE_GROUND(spriteSize);
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if (SFG_spriteIsVisible(worldPosition,worldHeight))
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return SFG_directionTangent(toMonster.x,toMonster.y,
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worldHeight - (SFG_player.camera.height));
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}
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}
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return 0;
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}
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/**
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Draws text on screen using the bitmap font stored in assets.
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*/
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