jdah / doomenstein-3d Goto Github PK

Wolfenstein/DOOM style software renderers

License: MIT License

C 93.54% Makefile 6.46%

doomenstein-3d's Issues

This is a mess to compile on Linux.

So I was going to compile Doom on Linux Mint, typed in make doom and I got this error:

rsync -a --include '*/' --exclude '*' "src" "bin"
make: brew: No such file or directory
/bin/clang -o bin/src/main_doom.o -MMD -c -std=c2x -O2 -g -fbracket-depth=1024 -fmacro-backtrace-limit=0 -Wall -Wextra -Wpedantic -Wfloat-equal -Wstrict-aliasing -Wswitch-default -Wformat=2 -Wno-newline-eof -Wno-unused-parameter -Wno-strict-prototypes -Wno-fixed-enum-extension -Wno-int-to-void-pointer-cast -Wno-gnu-statement-expression -Wno-gnu-compound-literal-initializer -Wno-gnu-zero-variadic-macro-arguments -Wno-gnu-empty-struct -Wno-gnu-auto-type -Wno-gnu-empty-initializer -Wno-gnu-pointer-arith -Wno-c99-extensions -Wno-c11-extensions -iquotesrc -Ilib/SDL/include src/main_doom.c
make: /bin/clang: No such file or directory
make: *** [Makefile:70: bin/src/main_doom.o] Error 127

So I thought "OK, I'll compile myself" and typed gcc ./src/main_doom.c just to be greeted by this other error:

./src/main_doom.c:3:10: fatal error: SDL.h: No such file or directory
    3 | #include <SDL.h>
      |          ^~~~~~~
compilation terminated.

After changing SDL.h to SDL2/SDL.h to comply with Linux's include file structure and tried again.
It threw a bunch of errors regarding boolean values which prompted me to also #include <stdbool.h>.
I gcc ./src/main_doom.c'd again just for it to throw me this other beautiful list of errors:

/usr/bin/ld: /tmp/ccoViwXv.o: in function `rotate':
main_doom.c:(.text+0x39): undefined reference to `cos'
/usr/bin/ld: main_doom.c:(.text+0x6d): undefined reference to `sin'
/usr/bin/ld: main_doom.c:(.text+0xb2): undefined reference to `sin'
/usr/bin/ld: main_doom.c:(.text+0xe6): undefined reference to `cos'
/usr/bin/ld: /tmp/ccoViwXv.o: in function `screen_angle_to_x':
main_doom.c:(.text+0x3f3): undefined reference to `tan'
/usr/bin/ld: /tmp/ccoViwXv.o: in function `normalize_angle':
main_doom.c:(.text+0x460): undefined reference to `floor'
/usr/bin/ld: /tmp/ccoViwXv.o: in function `render':
main_doom.c:(.text+0xefd): undefined reference to `atan2'
/usr/bin/ld: main_doom.c:(.text+0xf61): undefined reference to `atan2'
/usr/bin/ld: main_doom.c:(.text+0x10ba): undefined reference to `atan2'
/usr/bin/ld: main_doom.c:(.text+0x1141): undefined reference to `atan2'
/usr/bin/ld: main_doom.c:(.text+0x1253): undefined reference to `atan2f'
/usr/bin/ld: main_doom.c:(.text+0x126a): undefined reference to `sin'
/usr/bin/ld: main_doom.c:(.text+0x1c66): undefined reference to `SDL_Delay'
/usr/bin/ld: /tmp/ccoViwXv.o: in function `present':
main_doom.c:(.text+0x1de9): undefined reference to `SDL_LockTexture'
/usr/bin/ld: main_doom.c:(.text+0x1e4d): undefined reference to `SDL_UnlockTexture'
/usr/bin/ld: main_doom.c:(.text+0x1e61): undefined reference to `SDL_SetRenderTarget'
/usr/bin/ld: main_doom.c:(.text+0x1e85): undefined reference to `SDL_SetRenderDrawColor'
/usr/bin/ld: main_doom.c:(.text+0x1e99): undefined reference to `SDL_SetRenderDrawBlendMode'
/usr/bin/ld: main_doom.c:(.text+0x1ea8): undefined reference to `SDL_RenderClear'
/usr/bin/ld: main_doom.c:(.text+0x1ee0): undefined reference to `SDL_RenderCopyEx'
/usr/bin/ld: main_doom.c:(.text+0x1ef4): undefined reference to `SDL_SetTextureBlendMode'
/usr/bin/ld: main_doom.c:(.text+0x1f32): undefined reference to `SDL_RenderCopy'
/usr/bin/ld: main_doom.c:(.text+0x1f41): undefined reference to `SDL_RenderPresent'
/usr/bin/ld: /tmp/ccoViwXv.o: in function `main':
main_doom.c:(.text+0x1f8d): undefined reference to `SDL_Init'
/usr/bin/ld: main_doom.c:(.text+0x1f96): undefined reference to `SDL_GetError'
/usr/bin/ld: main_doom.c:(.text+0x1feb): undefined reference to `SDL_CreateWindow'
/usr/bin/ld: main_doom.c:(.text+0x2003): undefined reference to `SDL_GetError'
/usr/bin/ld: main_doom.c:(.text+0x2047): undefined reference to `SDL_CreateRenderer'
/usr/bin/ld: main_doom.c:(.text+0x2072): undefined reference to `SDL_CreateTexture'
/usr/bin/ld: main_doom.c:(.text+0x209d): undefined reference to `SDL_CreateTexture'
/usr/bin/ld: main_doom.c:(.text+0x2191): undefined reference to `SDL_PollEvent'
/usr/bin/ld: main_doom.c:(.text+0x21ce): undefined reference to `SDL_GetKeyboardState'
/usr/bin/ld: main_doom.c:(.text+0x2248): undefined reference to `cos'
/usr/bin/ld: main_doom.c:(.text+0x2273): undefined reference to `sin'
/usr/bin/ld: main_doom.c:(.text+0x25b1): undefined reference to `SDL_DestroyTexture'
/usr/bin/ld: main_doom.c:(.text+0x25c0): undefined reference to `SDL_DestroyTexture'
/usr/bin/ld: main_doom.c:(.text+0x25cf): undefined reference to `SDL_DestroyRenderer'
/usr/bin/ld: main_doom.c:(.text+0x25de): undefined reference to `SDL_DestroyWindow'
collect2: error: ld returned 1 exit status

I've run out of solutions so I'm going to post this in hopes of someone having a solution.
Best Regards,
Simón "Silicosis" Peña.

Potential typo in wallshade variable?

In the DOOM-style renderer, should this statement

          const int wallshade =
                16 * (sin(atan2f(
                    wall->b.x - wall->a.x,
                    wall->b.y - wall->b.y)) + 1.0f);

be changed to this statement

          const int wallshade =
                16 * (sin(atan2f(
                    wall->b.x - wall->a.x,
                    wall->b.y - wall->a.y)) + 1.0f);

since wall->b.y - wall->b.y is zero? It makes a pretty subtle difference in the color of the walls but it stuck out to me as a possible typo when I was reading that code.

Super cool video and thanks for releasing your demo code!

Does not build on Linux

Running make all returns this:

Any ideas what's missing?

Thanks

Attempting to compile on Windows

Hello,
Title says it all, basically trying to use mingw to compile the code but I am getting an error.

Error compiling on macOS

rsync -a --include '/' --exclude '' "src" "bin"
/usr/local/opt/llvm/bin/clang -o bin/src/main_doom.o -MMD -c -std=c2x -O2 -g -fbracket-depth=1024 -fmacro-backtrace-limit=0 -Wall -Wextra -Wpedantic -Wfloat-equal -Wstrict-aliasing -Wswitch-default -Wformat=2 -Wno-newline-eof -Wno-unused-parameter -Wno-strict-prototypes -Wno-fixed-enum-extension -Wno-int-to-void-pointer-cast -Wno-gnu-statement-expression -Wno-gnu-compound-literal-initializer -Wno-gnu-zero-variadic-macro-arguments -Wno-gnu-empty-struct -Wno-gnu-auto-type -Wno-gnu-empty-initializer -Wno-gnu-pointer-arith -Wno-c99-extensions -Wno-c11-extensions -iquotesrc -Ilib/SDL/include src/main_doom.c
make: /usr/local/opt/llvm/bin/clang: No such file or directory
make: *** [bin/src/main_doom.o] Error 1

How do I compile using the Makefile?

Kinda confused on how to compile the source code.

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