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fsh update

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minjaesong
2022-04-29 15:06:55 +09:00
parent e7315834ae
commit 7737f65ea5
9 changed files with 206 additions and 159 deletions
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60
assets/disk0/tvdos/gl.js
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@@ -35,33 +35,34 @@ GL.SpriteSheet = function(tilew, tileh, tex) {
}
this.getOffX = function(x) { // THIS, or: GL.SpriteSheet.prototype.getOffX
var tx = this.tileWidth * (x|0);
let tx = this.tileWidth * (x|0);
if (tx + this.tileWidth > this.texture.width) throw "Sprite x-offset of "+tx+" is greater than sprite width "+this.texture.width;
return tx;
};
this.getOffY = function(y) {
var ty = this.tileHeight * (y|0);
let ty = this.tileHeight * (y|0);
if (ty + this.tileHeight > this.texture.height) throw "Sprite y-offset of "+ty+" is greater than sprite height "+this.texture.height;
return ty;
};
};
GL.drawTexPattern = function(texture, x, y, width, height, fgcol, bgcol) {
GL.drawTexPattern = function(texture, x, y, width, height, framebuffer, fgcol, bgcol) {
if (!(texture instanceof GL.Texture) && !(texture instanceof GL.MonoTex)) throw Error("Texture is not a GL Texture types");
let paint = (!framebuffer) ? graphics.plotPixel : graphics.plotPixel2
for (let yy = 0; yy < height; yy++) {
for (let xx = 0; xx < width;) {
let tx = xx % texture.width;
let ty = yy % texture.height;
if (texture instanceof GL.Texture) {
let c = texture.texData[ty * texture.width + tx];
graphics.plotPixel(x + xx, y + yy, c);
paint(x + xx, y + yy, c);
}
else if (texture instanceof GL.MonoTex) {
let octet = texture.texData[ty * (texture.width >> 3) + (tx >> 3)];
for (let i = 0; i < 8; i++) {
let bit = ((octet >>> (7 - i)) & 1 != 0)
graphics.plotPixel(x + xx + i, y + yy, bit ? bgcol : fgcol);
paint(x + xx + i, y + yy, bit ? bgcol : fgcol);
}
}
@@ -69,24 +70,25 @@ GL.drawTexPattern = function(texture, x, y, width, height, fgcol, bgcol) {
}
}
};
GL.drawTexPatternOver = function(texture, x, y, width, height, fgcol) {
GL.drawTexPatternOver = function(texture, x, y, width, height, framebuffer, fgcol) {
if (!(texture instanceof GL.Texture) && !(texture instanceof GL.MonoTex)) throw Error("Texture is not a GL Texture types");
let paint = (!framebuffer) ? graphics.plotPixel : graphics.plotPixel2
for (let yy = 0; yy < height; yy++) {
for (let xx = 0; xx < width;) {
let tx = xx % texture.width;
let ty = yy % texture.height;
if (texture instanceof GL.Texture) {
let c = texture.texData[ty * texture.width + tx];
if ((c & 255) != 255) {
let c = texture.texData[ty * texture.width + tx];
graphics.plotPixel(x + xx, y + yy, c);
paint(x + xx, y + yy, c);
}
}
else if (texture instanceof GL.MonoTex) {
let octet = texture.texData[ty * (texture.width >> 3) + (tx >> 3)];
for (let i = 0; i < 8; i++) {
let bit = ((octet >>> (7 - i)) & 1 != 0)
if (bit) graphics.plotPixel(x + xx + i, y + yy, fgcol);
if (bit) paint(x + xx + i, y + yy, fgcol);
}
}
@@ -97,14 +99,14 @@ GL.drawTexPatternOver = function(texture, x, y, width, height, fgcol) {
/*
* Draws a texture verbatim - color of 255 will be written to the screen buffer
*/
GL.drawTexImage = function(texture, x, y, fgcol, bgcol) {
GL.drawTexPattern(texture, x, y, texture.width, texture.height, fgcol, bgcol);
GL.drawTexImage = function(texture, x, y, framebuffer, fgcol, bgcol) {
GL.drawTexPattern(texture, x, y, texture.width, texture.height, framebuffer, fgcol, bgcol);
};
/*
* Draws texture with blitting - color of 255 will pass-thru what's already on the screen buffer
*/
GL.drawTexImageOver = function(texture, x, y, fgcol) {
GL.drawTexPatternOver(texture, x, y, texture.width, texture.height, fgcol);
GL.drawTexImageOver = function(texture, x, y, framebuffer, fgcol) {
GL.drawTexPatternOver(texture, x, y, texture.width, texture.height, framebuffer, fgcol);
};
/*
* @param xi x-index in the spritesheet, ZERO-BASED INDEX
@@ -114,16 +116,17 @@ GL.drawTexImageOver = function(texture, x, y, fgcol) {
* @param overrideFG if the value is set and the current pixel of the sheet is not 255, plots this colour instead
* @param overrideBG if the value is set and the current pixel of the sheet is 255, plots this colour instead
*/
GL.drawSprite = function(sheet, xi, yi, x, y, overrideFG, overrideBG) {
var offx = sheet.getOffX(xi);
var offy = sheet.getOffY(yi);
for (var ty = 0; ty < sheet.tileHeight; ty++) {
for (var tx = 0; tx < sheet.tileWidth; tx++) {
var c = sheet.texture.texData[(ty + offy) * sheet.texture.width + (tx + offx)];
GL.drawSprite = function(sheet, xi, yi, x, y, framebuffer, overrideFG, overrideBG) {
let paint = (!framebuffer) ? graphics.plotPixel : graphics.plotPixel2
let offx = sheet.getOffX(xi);
let offy = sheet.getOffY(yi);
for (let ty = 0; ty < sheet.tileHeight; ty++) {
for (let tx = 0; tx < sheet.tileWidth; tx++) {
let c = sheet.texture.texData[(ty + offy) * sheet.texture.width + (tx + offx)];
if ((c & 255) == 255)
graphics.plotPixel(x + tx, (y + ty)|0, (overrideBG !== undefined) ? overrideBG : c);
paint(x + tx, (y + ty)|0, (overrideBG !== undefined) ? overrideBG : c);
else
graphics.plotPixel(x + tx, (y + ty)|0, (overrideFG !== undefined) ? overrideFG : c);
paint(x + tx, (y + ty)|0, (overrideFG !== undefined) ? overrideFG : c);
}
}
};
@@ -134,14 +137,15 @@ GL.drawSprite = function(sheet, xi, yi, x, y, overrideFG, overrideBG) {
* @param y y-position on the framebuffer where the sprite will be drawn
* @param overrideFG if the value is set and the current pixel of the sheet is not 255, plots this colour instead
*/
GL.drawSpriteOver = function(sheet, xi, yi, x, y, overrideFG) {
var offx = sheet.getOffX(xi);
var offy = sheet.getOffY(yi);
for (var ty = 0; ty < sheet.tileHeight; ty++) {
for (var tx = 0; tx < sheet.tileWidth; tx++) {
var c = sheet.texture.texData[(ty + offy) * sheet.texture.width + (tx + offx)];
GL.drawSpriteOver = function(sheet, xi, yi, x, y, framebuffer, overrideFG) {
let paint = (!framebuffer) ? graphics.plotPixel : graphics.plotPixel2
let offx = sheet.getOffX(xi);
let offy = sheet.getOffY(yi);
for (let ty = 0; ty < sheet.tileHeight; ty++) {
for (let tx = 0; tx < sheet.tileWidth; tx++) {
let c = sheet.texture.texData[(ty + offy) * sheet.texture.width + (tx + offx)];
if ((c & 255) != 255) {
graphics.plotPixel(x + tx, (y + ty)|0, overrideFG || c);
paint(x + tx, (y + ty)|0, overrideFG || c);
}
}
}