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Reduced some number crunching in the generator

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This commit is contained in:
Kayne Ruse
2023-07-31 02:05:21 +10:00
parent b3179d96f2
commit 577aa47fbd
5 changed files with 50 additions and 35 deletions
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23
assets/scripts/tilemap/renderer.toy
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@@ -19,6 +19,9 @@ var CELL_HEIGHT: int const = 16;
var CELL_COUNT_X: int const = 3;
var CELL_COUNT_Y: int const = 3;
var MAP_GRID_WIDTH: int const = CELL_WIDTH * CELL_COUNT_X;
var MAP_GRID_HEIGHT: int const = CELL_HEIGHT * CELL_COUNT_Y;
//lifecycle functions
fn onLoad(node: opaque) {
@@ -27,29 +30,31 @@ fn onLoad(node: opaque) {
//create a child as a render target
var child: opaque = node.loadChildNode("scripts:/tilemap/renderer-child.toy");
child.createNodeTexture(CELL_WIDTH * CELL_COUNT_X * TILE_PIXEL_WIDTH, CELL_HEIGHT * CELL_COUNT_Y * TILE_PIXEL_HEIGHT);
child.createNodeTexture(MAP_GRID_WIDTH * TILE_PIXEL_WIDTH, MAP_GRID_HEIGHT * TILE_PIXEL_HEIGHT);
}
//TODO: lazily render
fn setTilemap(node: opaque, tilemap: [int]) {
assert tilemap, "provided tilemap is null (in setTilemap)";
print "start setting tilemap";
var child: opaque = node.getChildNode(0);
setRenderTarget(child);
//draw the tilemap to the child
for (var j = 0; j < CELL_HEIGHT * CELL_COUNT_Y; j++) {
for (var i = 0; i < CELL_WIDTH * CELL_COUNT_X; i++) {
for (var j = 0; j < MAP_GRID_HEIGHT; j++) {
for (var i = 0; i < MAP_GRID_WIDTH; i++) {
//don't recalculate this every time
var ITERATION: int const = j * MAP_GRID_WIDTH * 3 + i * 3;
//don't render empty tiles
if (tilemap[j * CELL_WIDTH * CELL_COUNT_X * 3 + i * 3] < 0) {
if (tilemap[ITERATION] < 0 || tilemap[ITERATION + 1] < 0) {
continue;
}
//set the rect of the node on the tilesheet - the "tilemap" var is a single blob of data
node.setNodeRect(
tilemap[j * CELL_WIDTH * CELL_COUNT_X * 3 + i * 3] * TILE_PIXEL_WIDTH,
tilemap[j * CELL_WIDTH * CELL_COUNT_X * 3 + i * 3 + 1] * TILE_PIXEL_HEIGHT,
tilemap[ITERATION] * TILE_PIXEL_WIDTH,
tilemap[ITERATION + 1] * TILE_PIXEL_HEIGHT,
TILE_PIXEL_WIDTH, TILE_PIXEL_HEIGHT
);
@@ -65,6 +70,4 @@ fn setTilemap(node: opaque, tilemap: [int]) {
//reset the render target to the screen
setRenderTarget(null);
print "finished setting tilemap";
}