trueno/src/rendering/tasks.jai

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#scope_export
Rendering_Task_Type :: enum {
INVALID;
GROUND;
SKY;
SET_CAMERA;
TRILE; // not implemented yet
TRIXELS;
SPRITE; // not implemented yet
PARTICLES; // not implemented yet
};
Rendering_Task :: struct {
type : Rendering_Task_Type = .INVALID;
};
Rendering_Task_World :: struct {
#as using t : Rendering_Task;
world : *World;
}
Rendering_Task_Sky :: struct {
#as using t : Rendering_Task;
t.type = .SKY;
worldConfig : *World_Config;
}
Rendering_Task_Ground :: struct {
#as using t : Rendering_Task;
t.type = .GROUND;
world : *World;
}
Rendering_Task_Trile :: struct {
#as using t : Rendering_Task;
t.type = .TRILE;
trile : string;
positions : []Vector4;
worldConf : *World_Config;
}
Rendering_Task_Trixels :: struct {
#as using t : Rendering_Task;
t.type = .TRIXELS;
trile : *Trile;
}
Rendering_Task_Set_Camera :: struct {
#as using t : Rendering_Task;
camera : Camera;
}
rendering_tasklist_clear :: () {
array_reset_keeping_memory(*rendering_tasklist);
}
add_rendering_task :: (task: $T) {
task_ptr := New(T,, temp);
task_ptr.* = task;
array_add(*rendering_tasklist, task_ptr);
}
rendering_tasklist : [..]*Rendering_Task;
tasks_to_commands :: () {
for rendering_tasklist {
if it.type == {
case .TRIXELS;
trixelsTask := (cast(*Rendering_Task_Trixels)it);
updateCommand := New(Render_Command_Update_Trixels,, temp);
updateCommand.trile = trixelsTask.trile;
array_add(*render_command_buckets.setup, updateCommand);
drawCommand := New(Render_Command_Draw_Trixels,, temp);
array_add(*render_command_buckets.main, drawCommand);
// Currently no need to draw trixels anywhere but the editor so no
// need for drawing them in the planar reflection pass...
// array_add(*render_command_buckets.reflection, drawCommand);
case .TRILE;
trileTask := (cast(*Rendering_Task_Trile)it);
addPositionsCmd := New(Render_Command_Add_Trile_Positions,, temp);
addPositionsCmd.positions = trileTask.positions;
array_add(*render_command_buckets.setup, addPositionsCmd);
drawPositionsCmd := New(Render_Command_Draw_Trile_Positions,, temp);
drawPositionsCmd.trile = trileTask.trile;
drawPositionsCmd.amount = cast(s32)trileTask.positions.count;
drawPositionsCmd.conf = trileTask.worldConf;
array_add(*render_command_buckets.reflection, drawPositionsCmd);
array_add(*render_command_buckets.main, drawPositionsCmd);
array_add(*render_command_buckets.shadow, drawPositionsCmd);
case .SKY;
command := New(Render_Command_Sky,, temp);
command.worldConfig = (cast(*Rendering_Task_Sky)it).worldConfig;
array_add(*render_command_buckets.reflection, command);
array_add(*render_command_buckets.main, command);
case .GROUND;
commandDrawGround := New(Render_Command_Draw_Ground,, temp);
commandDrawGround.worldConfig = *(cast(*Rendering_Task_Ground)it).world.conf;
commandGenGround := New(Render_Command_Generate_Ground_Texture,, temp);
commandGenGround.world = (cast(*Rendering_Task_Ground)it).world;
array_add(*render_command_buckets.setup, commandGenGround);
array_add(*render_command_buckets.main, commandDrawGround);
case .SET_CAMERA;
command := New(Render_Command_Set_Camera,, temp);
command.camera = (cast(*Rendering_Task_Set_Camera)it).camera;
array_add(*render_command_buckets.main, command);
commandReflected := New(Render_Command_Set_Camera,, temp);
commandReflected.camera = (cast(*Rendering_Task_Set_Camera)it).camera;
commandReflected.camera.target *= Vector3.{1, -1, 1};
commandReflected.camera.position *= Vector3.{1, -1, 1};
array_add(*render_command_buckets.reflection, commandReflected);
}
}
rendering_tasklist_clear();
}