new particle system data format

global PSFX_Shot =
{
    emitters =
    [
        {
            texture = "images/smoke.png",
            tempslots = 1,
            spawncount = 8,
            spawncount_rand = 3,
            spawn_code =
            [
                "RANDEXT; position; PS.emitpos; 1.2",
                "RANDBOX; angle; 0; 360",
                "RANDEXT; size; 15; 4",
                "RANDEXT; color; vec4(0.6,0.6,0.6,0.4); vec4(0.02,0.02,0.02,0.04)",
                "RANDEXT; velocity; 0; 1",
                "RANDEXT; tmp0; 20; 8",
                "MULA; tmp0; PS.emitdir",
                "ADDA; velocity; tmp0",
                "SET; timeleft; randf()*0.2+1",
            ],
            tick_code =
            [
                "MAD; position; velocity; delta",
                "SUBA; timeleft; delta",
                "ADDA; size; delta*2",
                "SUBA; color; vec4(0,0,0,0.7)*delta",
                "LERPTO; velocity; vec2(0); delta*0.8",
            ],
        },
        {
            texture = "images/fire.png",
            tempslots = 0,
            spawncount = 8,
            spawncount_rand = 3,
            rendermode = "additive",
            spawn_code =
            [
                "RANDEXT; position; PS.emitpos; 1.2",
                "RANDBOX; angle; 0; 360",
                "SET; size; 5",
                "RANDEXT; color; vec4(0.8,0.8,0.8,0.8); vec4(0.02,0.02,0.02,0.04)",
                "RANDEXT; velocity; 0; 1",
                "ADDA; velocity; PS.emitdir * (1.3 + randf()*0.7)",
                "SET; timeleft; randf()*0.1+0.3",
            ],
            tick_code =
            [
                "MAD; position; velocity; delta",
                "SUBA; timeleft; delta",
                "ADDA; size; delta*2",
                "SUBA; color; vec4(0,0,0,3.7)*delta",
                "LERPTO; velocity; vec2(0); delta*0.8",
            ],
        },
    ]
};