113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
//
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// HurtRingView.cpp
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// OpenSpades
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//
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// Created by yvt on 7/20/13.
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// Copyright (c) 2013 yvt.jp. All rights reserved.
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//
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#include "HurtRingView.h"
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#include "Client.h"
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#include "IRenderer.h"
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#include "IImage.h"
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#include "World.h"
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#include "Player.h"
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#include "../Core/Debug.h"
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namespace spades {
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namespace client {
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HurtRingView::HurtRingView(Client *cli):
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client(cli), renderer(cli->GetRenderer())
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{
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SPADES_MARK_FUNCTION();
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image = renderer->RegisterImage("Gfx/HurtRing.tga");
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}
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HurtRingView::~HurtRingView() {
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}
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void HurtRingView::ClearAll(){
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items.clear();
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}
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void HurtRingView::Add(spades::Vector3 dir){
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SPADES_MARK_FUNCTION();
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Item item;
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item.dir = dir;
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item.fade = 3;
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items.push_back(item);
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}
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void HurtRingView::Update(float dt) {
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SPADES_MARK_FUNCTION();
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std::list<Item>::iterator it;
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std::vector<std::list<Item>::iterator> its;
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for(it = items.begin(); it != items.end(); it++){
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Item& ent = *it;
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ent.fade -= dt;
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if(ent.fade < 0){
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its.push_back(it);
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}
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}
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for(size_t i = 0; i < its.size(); i++)
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items.erase(its[i]);
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}
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void HurtRingView::Draw(){
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SPADES_MARK_FUNCTION();
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Vector3 playerFront;
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World *w = client->GetWorld();
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if(!w){
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ClearAll();
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return;
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}
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Player *p = w->GetLocalPlayer();
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if(p == NULL || !p->IsAlive()){
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ClearAll();
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return;
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}
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playerFront = p->GetFront2D();
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float hurtRingSize = renderer->ScreenHeight() * .3f;
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float cx = renderer->ScreenWidth() * .5f;
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float cy = renderer->ScreenHeight() * .5f;
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static const float coords[][2]={
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{-1,-1},{1,-1},{-1,1}
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};
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std::list<Item>::iterator it;
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for(it = items.begin(); it != items.end(); it++){
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Item& item = *it;
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float fade = item.fade * 2.f;
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if(fade > 1.f)fade = 1.f;
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Vector4 color = {1,1,1,fade};
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renderer->SetColor(color);
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Vector3 dir = -item.dir;
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float c = dir.x * playerFront.x + dir.y * playerFront.y;
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float s = dir.y * playerFront.x - dir.x * playerFront.y;
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Vector2 verts[3];
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for(int i = 0; i < 3; i++){
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verts[i] = MakeVector2(coords[i][0] * c - coords[i][1] * s,
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coords[i][0] * s + coords[i][1] * c);
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verts[i] = verts[i] * hurtRingSize + MakeVector2(cx, cy);
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}
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renderer->DrawImage(image,
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verts[0], verts[1], verts[2],
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AABB2(0, 0, image->GetWidth(), image->GetHeight()));
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}
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}
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}
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}
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