mkjs/code/entities/water.js

93 lines
2.7 KiB
JavaScript

//
// water.js
//--------------------
// Provides multiple types of traffic.
// by RHY3756547
//
// includes:
// render stuff idk
//
window.ObjWater = function(obji, scene) {
var obji = obji;
var res = [];
var t = this;
t.pos = vec3.clone(obji.pos);
//t.angle = vec3.clone(obji.angle);
t.scale = vec3.clone(obji.scale);
t.requireRes = requireRes;
t.provideRes = provideRes;
t.update = update;
t.draw = draw;
var frame = 0;
var wheight = 6.144;
var wosc = 12.288;
var wstay = 5*60;
var wchange = 4*60;
function draw(view, pMatrix) {
if (nitroRender.flagShadow) return;
var waterM = mat4.create();
gl.enable(gl.STENCIL_TEST);
gl.stencilMask(0xFF);
gl.stencilFunc(gl.ALWAYS, 1, 0xFF);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.REPLACE); //when depth test passes for water lower layer, pixel is already drawn, do not cover it with the white overlay (set stencil bit)
var height = (t.pos[1])+wheight+Math.sin(frame/150)*wosc //0.106
mat4.translate(waterM, view, [Math.sin(frame/180)*96, height, Math.cos(frame/146)*96])
nitroRender.setColMult([1, 1, 1, 0x0A/31]);
res.mdl[0].drawPoly(mat4.scale([], waterM, [16, 16, 16]), pMatrix, 0, 0); //water
gl.stencilFunc(gl.EQUAL, 0, 0xFF);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP);
if (obji.ID != 9) {
mat4.translate(waterM, view, [0, height, 0])
nitroRender.setColMult([1, 1, 1, 0x10/31]);
res.mdl[0].drawPoly(mat4.scale([], waterM, [16, 16, 16]), pMatrix, 0, 1); //white shore wash part, water is stencil masked out
}
gl.disable(gl.STENCIL_TEST);
if (res.mdl[1] != null) {
mat4.translate(waterM, view, [-Math.sin((frame+30)/180)*96, height, Math.cos((frame+100)/146)*96])
nitroRender.setColMult([1, 1, 1, 0x04/31]);
res.mdl[1].draw(mat4.scale([], waterM, [16, 16, 16]), pMatrix); //water white detail part. stencil should do nothing here, since it's in the same position as the above.
}
nitroRender.setColMult([1, 1, 1, 1]);
}
function update() {
frame = (frame+1)%197100; //it's a big number but yolo... we have the technology...
//TODO: physics and void-out for karts
}
function requireRes() { //scene asks what resources to load
switch (obji.ID) {
case 0x0001:
return {mdl:[{nsbmd:"beach_waterC.nsbmd"}, {nsbmd:"beach_waterA.nsbmd"}]};
case 0x0003:
return {mdl:[{nsbmd:"town_waterC.nsbmd"}, {nsbmd:"town_waterA.nsbmd"}]};
case 0x0006:
return {mdl:[{nsbmd:"yoshi_waterC.nsbmd"}]};
case 0x0009:
return {mdl:[{nsbmd:"hyudoro_waterC.nsbmd"}, {nsbmd:"hyudoro_waterA.nsbmd"}]};
case 0x000C:
wheight = 38;
wosc = 16;
return {mdl:[{nsbmd:"mini_stage3_waterC.nsbmd"}, {nsbmd:"mini_stage3_waterA.nsbmd"}]};
}
}
function provideRes(r) {
res = r; //...and gives them to us. :)
}
}