mirror of https://git.rip/DMCA_FUCKER/re3.git
130 lines
2.9 KiB
C++
130 lines
2.9 KiB
C++
#include "common.h"
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#include "main.h"
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#include "Antennas.h"
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CAntenna CAntennas::aAntennas[NUMANTENNAS];
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void
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CAntennas::Init(void)
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{
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int i;
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for(i = 0; i < NUMANTENNAS; i++){
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aAntennas[i].active = false;
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aAntennas[i].updatedLastFrame = false;
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}
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}
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// Free antennas that aren't used anymore
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void
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CAntennas::Update(void)
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{
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int i;
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for(i = 0; i < NUMANTENNAS; i++){
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if(aAntennas[i].active && !aAntennas[i].updatedLastFrame)
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aAntennas[i].active = false;
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aAntennas[i].updatedLastFrame = false;
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}
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}
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// Add a new one or update an old one
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void
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CAntennas::RegisterOne(uint32 id, CVector dir, CVector position, float length)
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{
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int i, j;
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for(i = 0; i < NUMANTENNAS; i++)
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if(aAntennas[i].active && aAntennas[i].id == id)
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break;
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if(i >= NUMANTENNAS){
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// not found, register new one
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// find empty slot
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for(i = 0; i < NUMANTENNAS; i++)
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if(!aAntennas[i].active)
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break;
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// there is space
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if(i < NUMANTENNAS){
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aAntennas[i].active = true;
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aAntennas[i].updatedLastFrame = true;
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aAntennas[i].id = id;
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aAntennas[i].segmentLength = length/6.0f;
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for(j = 0; j < 6; j++){
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aAntennas[i].pos[j] = position + dir*j*aAntennas[i].segmentLength;
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aAntennas[i].speed[j] = CVector(0.0f, 0.0f, 0.0f);
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}
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}
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}else{
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// found, update
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aAntennas[i].Update(dir, position);
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aAntennas[i].updatedLastFrame = true;
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}
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}
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static RwIm3DVertex vertexbufferA[2];
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void
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CAntennas::Render(void)
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{
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int i, j;
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PUSH_RENDERGROUP("CAntennas::Render");
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for(i = 0; i < NUMANTENNAS; i++){
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if(!aAntennas[i].active)
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continue;
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RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
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RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
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RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
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RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
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RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil);
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for(j = 0; j < 5; j++){
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RwIm3DVertexSetRGBA(&vertexbufferA[0], 200, 200, 200, 100);
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RwIm3DVertexSetPos(&vertexbufferA[0],
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aAntennas[i].pos[j].x,
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aAntennas[i].pos[j].y,
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aAntennas[i].pos[j].z);
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RwIm3DVertexSetRGBA(&vertexbufferA[1], 200, 200, 200, 100);
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RwIm3DVertexSetPos(&vertexbufferA[1],
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aAntennas[i].pos[j+1].x,
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aAntennas[i].pos[j+1].y,
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aAntennas[i].pos[j+1].z);
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// LittleTest();
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if(RwIm3DTransform(vertexbufferA, 2, nil, 0)){
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RwIm3DRenderLine(0, 1);
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RwIm3DEnd();
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}
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}
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}
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RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
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POP_RENDERGROUP();
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}
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void
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CAntenna::Update(CVector dir, CVector basepos)
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{
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int i;
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pos[0] = basepos;
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pos[1] = basepos + dir*segmentLength;
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for(i = 2; i < 6; i++){
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CVector basedir = pos[i-1] - pos[i-2];
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CVector newdir = pos[i] - pos[i-1] + // drag along
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dir*0.1f + // also drag up a bit for stiffness
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speed[i]; // and keep moving
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newdir.Normalise();
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newdir *= segmentLength;
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CVector newpos = pos[i-1] + (basedir + newdir)/2.0f;
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speed[i] = (newpos - pos[i])*0.9f;
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pos[i] = newpos;
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}
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}
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