rust/lib-hedgewars-engine/src/instance.rs
author unc0rr
Sun, 25 Nov 2018 22:32:49 +0100
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child 14723 29dbe9ce8b7d
permissions -rw-r--r--
Add advance_simulation() function to engine lib, some WIP on frontend
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use hedgewars_engine_messages::messages::{
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    ConfigEngineMessage::*, EngineMessage::*, KeystrokeAction::*, SyncedEngineMessage::*,
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    UnorderedEngineMessage::*, UnsyncedEngineMessage::*, *,
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};
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use self::gfx_gl::{CommandBuffer, Resources};
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use gfx::format::{Unorm, D24, R8_G8_B8_A8};
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use gfx_device_gl as gfx_gl;
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use super::{ipc::IPC, world::World};
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pub struct EngineGlContext {
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    pub device: gfx_gl::Device,
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    pub factory: gfx_gl::Factory,
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    pub render_target: gfx::handle::RenderTargetView<Resources, (R8_G8_B8_A8, Unorm)>,
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    pub depth_buffer: gfx::handle::DepthStencilView<Resources, (D24, Unorm)>,
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    pub command_buffer: gfx::Encoder<Resources, CommandBuffer>,
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}
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pub struct EngineInstance {
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    pub world: World,
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    pub ipc: IPC,
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    pub gl_context: Option<EngineGlContext>,
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}
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impl EngineInstance {
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    pub fn new() -> Self {
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        let world = World::new();
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        Self {
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            world,
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            ipc: IPC::new(),
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            gl_context: None,
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        }
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    }
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    pub fn render<R, C>(
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        &self,
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        command_buffer: &mut gfx::Encoder<R, C>,
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        render_target: &gfx::handle::RenderTargetView<R, gfx::format::Rgba8>,
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    ) where
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        R: gfx::Resources,
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        C: gfx::CommandBuffer<R>,
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    {
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        command_buffer.clear(render_target, [0.0, 0.5, 0.0, 1.0]);
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    }
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    fn process_unordered_message(&mut self, message: &UnorderedEngineMessage) {
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        match message {
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            Pong => println!("Pong!"),
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            _ => unimplemented!(),
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        }
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    }
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    fn process_config_message(&mut self, message: &ConfigEngineMessage) {
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        match message {
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            SetSeed(seed) => self.world.set_seed(seed.as_bytes()),
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            _ => unimplemented!(),
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        }
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    }
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    pub fn process_ipc_queue(&mut self) {
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        let messages: Vec<EngineMessage> = self.ipc.iter().collect();
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        for message in messages {
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            println!("Processing message: {:?}", message);
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            match message {
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                Unknown => println!("Unknown message"),
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                Empty => println!("Empty message"),
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                Synced(_, _) => unimplemented!(),
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                Unsynced(_) => unimplemented!(),
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                Unordered(unordered_message) => self.process_unordered_message(&unordered_message),
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                Config(config_message) => self.process_config_message(&config_message),
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            }
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        }
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    }
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}