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(svn r20945) -Codechange: Add helper function to draw single pillar sprites. (based on patch by uni657)

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frosch 2010-10-16 15:36:13 +00:00
parent 3866d8e2d1
commit 01be182880
1 changed files with 17 additions and 3 deletions
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20
src/tunnelbridge_cmd.cpp
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@ -824,6 +824,21 @@ static CommandCost ClearTile_TunnelBridge(TileIndex tile, DoCommandFlag flags)
}
}
/**
* Draw a single pillar sprite.
* @param psid Pillarsprite
* @param x Pillar X
* @param y Pillar Y
* @param z Pillar Z
* @param w Bounding box size in X direction
* @param h Bounding box size in Y direction
*/
static inline void DrawPillar(const PalSpriteID *psid, int x, int y, int z, int w, int h)
{
static const int PILLAR_Z_OFFSET = TILE_HEIGHT - BRIDGE_Z_START; ///< Start offset of pillar wrt. bridge (downwards)
AddSortableSpriteToDraw(psid->sprite, psid->pal, x, y, w, h, BB_HEIGHT_UNDER_BRIDGE - PILLAR_Z_OFFSET, z, IsTransparencySet(TO_BRIDGES), 0, 0, -PILLAR_Z_OFFSET);
}
/**
* Draws the pillars under high bridges.
*
@ -840,7 +855,6 @@ static void DrawBridgePillars(const PalSpriteID *psid, const TileInfo *ti, Axis
/* Do not draw bridge pillars if they are invisible */
if (IsInvisibilitySet(TO_BRIDGES)) return;
static const int PILLAR_Z_OFFSET = TILE_HEIGHT - BRIDGE_Z_START; ///< Start offset of pillar wrt. bridge (downwards)
static const int bounding_box_size[2] = {16, 2}; ///< bounding box size of pillars along bridge direction
static const int back_pillar_offset[2] = { 0, 9}; ///< sprite position offset of back facing pillar
@ -877,12 +891,12 @@ static void DrawBridgePillars(const PalSpriteID *psid, const TileInfo *ti, Axis
for (int cur_z = z_bridge; cur_z >= front_height || cur_z >= back_height; cur_z -= TILE_HEIGHT) {
/* Draw front facing pillar */
if (cur_z >= front_height) {
AddSortableSpriteToDraw(image, psid->pal, x, y, w, h, BB_HEIGHT_UNDER_BRIDGE - PILLAR_Z_OFFSET, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -PILLAR_Z_OFFSET);
DrawPillar(psid, x, y, cur_z, w, h);
}
/* Draw back facing pillar, but not the highest part directly under the bridge-floor */
if (drawfarpillar && cur_z >= back_height && cur_z < z_bridge - (int)TILE_HEIGHT) {
AddSortableSpriteToDraw(image, psid->pal, x_back, y_back, w, h, BB_HEIGHT_UNDER_BRIDGE - PILLAR_Z_OFFSET, cur_z, IsTransparencySet(TO_BRIDGES), 0, 0, -PILLAR_Z_OFFSET);
DrawPillar(psid, x_back, y_back, cur_z, w, h);
}
}
}