80 lines
1.8 KiB
Plaintext
80 lines
1.8 KiB
Plaintext
import standard;
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import node;
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//constants
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var TILE_PIXEL_WIDTH: int const = 16;
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var TILE_PIXEL_HEIGHT: int const = 16;
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//variables
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var gridPositionX: int = null;
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var gridPositionY: int = null;
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//polyfills - animating different cycles on one image
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var walkAnimationCounter: int = 0;
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var ticksToDeath: int = 4 * 8 - 1;
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//accessors & mutators
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fn setGridPosition(node: opaque, x: int, y: int) {
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gridPositionX = x;
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gridPositionY = y;
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node.setNodePositionX(floor( gridPositionX * TILE_PIXEL_WIDTH / node.getNodeScaleX() ));
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node.setNodePositionY(floor( gridPositionY * TILE_PIXEL_HEIGHT / node.getNodeScaleY() ));
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}
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fn getGridPositionX(node: opaque) {
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return gridPositionX;
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}
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fn getGridPositionY(node: opaque) {
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return gridPositionY;
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}
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fn isRequestingFree(node: opaque) {
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return ticksToDeath <= 0;
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}
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//lifecycle functions
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fn onLoad(node: opaque) {
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node.loadNodeTexture("sprites:/explosion.png");
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node.setNodeRect(0, 0, 32, 32);
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node.setNodeFrames(8);
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}
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fn onStep(node: opaque) {
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if (++walkAnimationCounter >= 4) {
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node.incrementCurrentNodeFrame();
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walkAnimationCounter = 0;
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}
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ticksToDeath--;
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}
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fn onFree(node: opaque) {
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node.freeNodeTexture();
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}
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fn onDraw(node: opaque) {
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var posX: int = node.getNodeWorldPositionX();
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var posY: int = node.getNodeWorldPositionY();
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var scaleX: float = node.getNodeWorldScaleX();
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var scaleY: float = node.getNodeWorldScaleY();
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//this offset is because the sprite cell for lejana is twice as big as the sprite cell for the floor tiles
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var originOffsetX: int = node.getNodeRectW() * int scaleX / 4;
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var originOffsetY: int = node.getNodeRectH() * int scaleY / 2;
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node.drawNode(
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floor(posX * scaleX) - originOffsetX /* + globalCameraX */,
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floor(posY * scaleY) - originOffsetY /* + globalCameraY */,
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floor(node.getNodeRectW() * scaleX),
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floor(node.getNodeRectH() * scaleY)
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);
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}
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