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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "InMapDrawView.h"
#include "Rendering/Colors.h"
#include "Rendering/GlobalRendering.h"
#include "Rendering/Fonts/glFont.h"
#include "Rendering/GL/RenderDataBuffer.hpp"
#include "Rendering/GL/WideLineAdapter.hpp"
#include "Game/Camera.h"
#include "Game/InMapDrawModel.h"
#include "Map/ReadMap.h"
#include "Sim/Misc/TeamHandler.h"
CInMapDrawView* inMapDrawerView = nullptr;
CInMapDrawView::CInMapDrawView()
{
unsigned char tex[64][128][4];
std::memset(tex, 0, sizeof(tex));
for (int y = 0; y < 64; y++) {
// circular thingy
for (int x = 0; x < 64; x++) {
const float dist = std::sqrt((float)(x - 32) * (x - 32) + (y - 32) * (y - 32));
if (dist > 31.0f) {
// do nothing - leave transparent
} else if (dist > 30.0f) {
// interpolate (outline -> nothing)
tex[y][x][3] = mix(255, 0, dist - 30.0f);
} else if (dist > 24.0f) {
// black outline
tex[y][x][3] = 255;
} else if (dist > 23.0f) {
// interpolate (inner -> outline)
tex[y][x][0] = mix(255, 0, dist - 23.0f);
tex[y][x][1] = mix(255, 0, dist - 23.0f);
tex[y][x][2] = mix(255, 0, dist - 23.0f);
tex[y][x][3] = mix(200, 255, dist - 23.0f);
} else {
tex[y][x][0] = 255;
tex[y][x][1] = 255;
tex[y][x][2] = 255;
tex[y][x][3] = 200;
}
}
}
for (int y = 0; y < 64; y++) {
// linear falloff
for (int x = 64; x < 128; x++) {
const float dist = std::abs(y - 32);
if (dist > 31.0f) {
// do nothing - leave transparent
} else if (dist > 30.0f) {
// interpolate (outline -> nothing)
tex[y][x][3] = mix(255, 0, dist - 30.0f);
} else if (dist > 24.0f) {
// black outline
tex[y][x][3] = 255;
} else if (dist > 23.0f) {
// interpolate (inner -> outline)
tex[y][x][0] = mix(255, 0, dist - 23.0f);
tex[y][x][1] = mix(255, 0, dist - 23.0f);
tex[y][x][2] = mix(255, 0, dist - 23.0f);
tex[y][x][3] = mix(200, 255, dist - 23.0f);
} else {
tex[y][x][0] = 255;
tex[y][x][1] = 255;
tex[y][x][2] = 255;
tex[y][x][3] = 200;
}
}
}
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBuildMipmaps(GL_TEXTURE_2D, GL_RGBA8, 128, 64, GL_RGBA, GL_UNSIGNED_BYTE, tex[0]);
}
CInMapDrawView::~CInMapDrawView()
{
glDeleteTextures(1, &texture);
}
struct InMapDraw_QuadDrawer: public CReadMap::IQuadDrawer
{
std::vector<const CInMapDrawModel::MapPoint*>* visibleLabels = nullptr;
GL::RenderDataBufferTC* pointBuffer = nullptr;
GL::WideLineAdapterC* linesAdapter = nullptr;
void ResetState() override {
pointBuffer = nullptr;
linesAdapter = nullptr;
}
void DrawQuad(int x, int y) override ;
private:
void DrawPoint(const CInMapDrawModel::MapPoint* point, GL::RenderDataBufferTC* buffer) const;
void DrawLine(const CInMapDrawModel::MapLine* line, GL::WideLineAdapterC* wla) const;
};
void InMapDraw_QuadDrawer::DrawPoint(const CInMapDrawModel::MapPoint* point, GL::RenderDataBufferTC* buffer) const
{
const float3& pos = point->GetPos();
const float3 zdir = (pos - camera->GetPos()).ANormalize();
const float3 xdir = (zdir.cross(UpVector)).ANormalize();
const float3 ydir = (zdir.cross(xdir));
const unsigned char* pcolor = point->IsBySpectator() ? color4::white : teamHandler.Team(point->GetTeamID())->color;
const unsigned char color[4] = {pcolor[0], pcolor[1], pcolor[2], 200};
constexpr float size = 6.0f;
const float3 pos1(pos.x, pos.y + 5.0f, pos.z);
const float3 pos2(pos1.x, pos1.y + 100.0f, pos1.z);
{
buffer->SafeAppend({pos1 - xdir * size, 0.25f, 0.0f, color}); // tl
buffer->SafeAppend({pos1 + xdir * size, 0.25f, 1.0f, color}); // tr
buffer->SafeAppend({pos1 + xdir * size + ydir * size, 0.00f, 1.0f, color}); // br
buffer->SafeAppend({pos1 + xdir * size + ydir * size, 0.00f, 1.0f, color}); // br
buffer->SafeAppend({pos1 - xdir * size + ydir * size, 0.00f, 0.0f, color}); // bl
buffer->SafeAppend({pos1 - xdir * size, 0.25f, 0.0f, color}); // tl
}
{
buffer->SafeAppend({pos1 - xdir * size, 0.75f, 0.0f, color});
buffer->SafeAppend({pos1 + xdir * size, 0.75f, 1.0f, color});
buffer->SafeAppend({pos2 + xdir * size, 0.75f, 1.0f, color});
buffer->SafeAppend({pos2 + xdir * size, 0.75f, 1.0f, color});
buffer->SafeAppend({pos2 - xdir * size, 0.75f, 0.0f, color});
buffer->SafeAppend({pos1 - xdir * size, 0.75f, 0.0f, color});
}
{
buffer->SafeAppend({pos2 - xdir * size, 0.25f, 0.0f, color});
buffer->SafeAppend({pos2 + xdir * size, 0.25f, 1.0f, color});
buffer->SafeAppend({pos2 + xdir * size - ydir * size, 0.00f, 1.0f, color});
buffer->SafeAppend({pos2 + xdir * size - ydir * size, 0.00f, 1.0f, color});
buffer->SafeAppend({pos2 - xdir * size - ydir * size, 0.00f, 0.0f, color});
buffer->SafeAppend({pos2 - xdir * size, 0.25f, 0.0f, color});
}
if (point->GetLabel().empty())
return;
visibleLabels->push_back(point);
}
void InMapDraw_QuadDrawer::DrawLine(const CInMapDrawModel::MapLine* line, GL::WideLineAdapterC* wla) const
{
const unsigned char* color = line->IsBySpectator() ? color4::white : teamHandler.Team(line->GetTeamID())->color;
wla->SafeAppend({line->GetPos1() - (line->GetPos1() - camera->GetPos()).ANormalize() * 26, color});
wla->SafeAppend({line->GetPos2() - (line->GetPos2() - camera->GetPos()).ANormalize() * 26, color});
}
void InMapDraw_QuadDrawer::DrawQuad(int x, int y)
{
const CInMapDrawModel::DrawQuad* dq = inMapDrawerModel->GetDrawQuad(x, y);
//! draw point markers
for (const CInMapDrawModel::MapPoint& pi: dq->points) {
if (pi.IsVisibleToPlayer(inMapDrawerModel->GetAllMarksVisible())) {
DrawPoint(&pi, pointBuffer);
}
}
//! draw line markers
for (const CInMapDrawModel::MapLine& li: dq->lines) {
if (li.IsVisibleToPlayer(inMapDrawerModel->GetAllMarksVisible())) {
DrawLine(&li, linesAdapter);
}
}
}
void CInMapDrawView::Draw()
{
GL::RenderDataBufferTC* pointBuffer = GL::GetRenderBufferTC();
GL::RenderDataBufferC* linesBuffer = GL::GetRenderBufferC();
GL::WideLineAdapterC* wla = GL::GetWideLineAdapterC();
Shader::IProgramObject* pointShader = pointBuffer->GetShader();
Shader::IProgramObject* linesShader = linesBuffer->GetShader();
wla->Setup(linesBuffer, globalRendering->viewSizeX, globalRendering->viewSizeY, 3.0f, camera->GetViewProjectionMatrix());
InMapDraw_QuadDrawer drawer;
drawer.visibleLabels = &visibleLabels;
drawer.pointBuffer = pointBuffer;
drawer.linesAdapter = wla;
readMap->GridVisibility(nullptr, &drawer, 1e9, CInMapDrawModel::DRAW_QUAD_SIZE);
glAttribStatePtr->DisableDepthMask();
glAttribStatePtr->BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glAttribStatePtr->EnableBlendMask();
{
// draw lines
linesShader->Enable();
linesShader->SetUniformMatrix4x4<float>("u_movi_mat", false, camera->GetViewMatrix());
linesShader->SetUniformMatrix4x4<float>("u_proj_mat", false, camera->GetProjectionMatrix());
wla->Submit(GL_LINES);
linesShader->Disable();
}
{
// draw points
glBindTexture(GL_TEXTURE_2D, texture);
pointShader->Enable();
pointShader->SetUniformMatrix4x4<float>("u_movi_mat", false, camera->GetViewMatrix());
pointShader->SetUniformMatrix4x4<float>("u_proj_mat", false, camera->GetProjectionMatrix());
pointBuffer->Submit(GL_TRIANGLES);
pointShader->Disable();
glBindTexture(GL_TEXTURE_2D, 0);
}
if (!visibleLabels.empty()) {
font->SetColors(); // default
font->glWorldBegin();
// draw point labels
for (const CInMapDrawModel::MapPoint* point: visibleLabels) {
const float3 pos = point->GetPos() + UpVector * 111.0f;
const CTeam* team = teamHandler.Team(point->GetTeamID());
const unsigned char* color = point->IsBySpectator() ? color4::white : team->color;
font->SetTextColor(color[0] / 255.0f, color[1] / 255.0f, color[2] / 255.0f, 1.0f);
font->glWorldPrint(pos, 26.0f, point->GetLabel());
}
font->glWorldEnd();
visibleLabels.clear();
}
glAttribStatePtr->EnableDepthMask();
}
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