108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/**
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* =========================================================================
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* File : WaterManager.cpp
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* Project : Pyrogenesis
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* Description : Water settings (speed, height) and texture management
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*
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* @author Nicolai Hähnle <nicolai@wildfiregames.com>
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* =========================================================================
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*/
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#include "precompiled.h"
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#include "lib/timer.h"
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#include "lib/res/file/vfs.h"
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#include "lib/res/graphics/tex.h"
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#include "lib/res/graphics/ogl_tex.h"
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#include "ps/CLogger.h"
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#include "ps/Loader.h"
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#include "renderer/WaterManager.h"
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#define LOG_CATEGORY "graphics"
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///////////////////////////////////////////////////////////////////////////////////////////////
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// WaterManager implementation
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///////////////////////////////////////////////////////////////////
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// Construction/Destruction
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WaterManager::WaterManager()
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{
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// water
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m_RenderWater = true;
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m_WaterHeight = 5.0f;
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m_WaterColor = CColor(0.3f, 0.35f, 0.7f, 1.0f);
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m_WaterFullDepth = 4.0f;
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m_WaterMaxAlpha = 0.85f;
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m_WaterAlphaOffset = -0.05f;
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m_SWaterTrans = 0;
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m_TWaterTrans = 0;
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m_SWaterSpeed = 0.0015f;
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m_TWaterSpeed = 0.0015f;
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m_SWaterScrollCounter = 0;
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m_TWaterScrollCounter = 0;
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m_WaterCurrentTex = 0;
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m_WaterTexTimer = 0.0;
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for (uint i = 0; i < ARRAY_SIZE(m_WaterTexture); i++)
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m_WaterTexture[i] = 0;
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cur_loading_water_tex = 0;
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}
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WaterManager::~WaterManager()
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{
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// Cleanup if the caller messed up
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UnloadWaterTextures();
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}
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///////////////////////////////////////////////////////////////////
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// Progressive load of water textures
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int WaterManager::LoadWaterTextures()
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{
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const uint num_textures = ARRAY_SIZE(m_WaterTexture);
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// yield after this time is reached. balances increased progress bar
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// smoothness vs. slowing down loading.
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const double end_time = get_time() + 100e-3;
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while (cur_loading_water_tex < num_textures)
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{
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char waterName[VFS_MAX_PATH];
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// TODO: add a member variable and setter for this. (can't make this
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// a parameter because this function is called via delay-load code)
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static const char* const water_type = "animation2";
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snprintf(waterName, ARRAY_SIZE(waterName), "art/textures/terrain/types/water/%s/water%02d.dds", water_type, cur_loading_water_tex+1);
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Handle ht = ogl_tex_load(waterName);
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if (ht <= 0)
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{
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LOG(ERROR, LOG_CATEGORY, "LoadWaterTextures failed on \"%s\"", waterName);
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return ht;
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}
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m_WaterTexture[cur_loading_water_tex] = ht;
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RETURN_ERR(ogl_tex_upload(ht));
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cur_loading_water_tex++;
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LDR_CHECK_TIMEOUT(cur_loading_water_tex, num_textures);
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}
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return 0;
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}
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///////////////////////////////////////////////////////////////////
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// Unload water textures
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void WaterManager::UnloadWaterTextures()
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{
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for(uint i = 0; i < ARRAY_SIZE(m_WaterTexture); i++)
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{
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ogl_tex_free(m_WaterTexture[i]);
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m_WaterTexture[i] = 0;
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}
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cur_loading_water_tex = 0; // so they will be reloaded if LoadWaterTextures is called again
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}
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