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Take into account previous #line directives when expanding @foreach shader macros

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This commit is contained in:
AnyOldName3 2017-11-17 17:18:33 +00:00
parent 590531595b
commit 3d18ddc8e4
2 changed files with 16 additions and 4 deletions
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18
components/shader/shadermanager.cpp
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@ -123,8 +123,22 @@ namespace Shader
std::string content = source.substr(contentStart, contentEnd - contentStart);
size_t overallEnd = contentEnd + std::string("$endforeach").length();
// This will be wrong if there are other #line directives, so that needs fixing
int lineNumber = std::count(source.begin(), source.begin() + overallEnd, '\n') + 2;
size_t lineDirectivePosition = source.rfind("#line", overallEnd);
int lineNumber;
if (lineDirectivePosition != std::string::npos)
{
size_t lineNumberStart = lineDirectivePosition + std::string("#line ").length();
size_t lineNumberEnd = source.find_first_not_of("0123456789", lineNumberStart);
std::string lineNumberString = source.substr(lineNumberStart, lineNumberEnd - lineNumberStart);
lineNumber = std::stoi(lineNumberString);
}
else
{
lineDirectivePosition = 0;
lineNumber = 2;
}
lineNumber += std::count(source.begin() + lineDirectivePosition, source.begin() + overallEnd, '\n');
std::string replacement = "";
for (std::vector<std::string>::const_iterator element = listElements.cbegin(); element != listElements.cend(); element++)

2
files/shaders/water_fragment.glsl
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@ -1,7 +1,5 @@
#version 120
//DUMPME
#define REFRACTION @refraction_enabled
#define SHADOWS @shadows_enabled