Initial commit.

.clang-format

@@ -0,0 +1,14 @@
+---
+AlignConsecutiveShortCaseStatements:
+  Enabled: true
+  AcrossEmptyLines: true
+  AcrossComments: true
+IndentCaseLabels: true
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortEnumsOnASingleLine: true
+AllowShortIfStatementsOnASingleLine: AllIfsAndElse
+AllowShortLoopsOnASingleLine: true
+IndentWidth: 4
+PointerAlignment: Left
+AlignAfterOpenBracket: BlockIndent

.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+  Add: [-xc]

.gitignore

@@ -0,0 +1,9 @@
+*.o
+*.so
+tags
+data
+*.out
+.cache
+build/*
+vgcore.*
+compile_commands.json

Makefile

@@ -0,0 +1,33 @@
+include config.mk
+
+all: $(TARGET)
+
+release: clean
+release: CFLAGS = -Wall -O2
+release: $(TARGET)
+
+# Run the target.
+run: $(TARGET)
+	./$(TARGET)
+
+# Compile project source objects.
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(INC_DIR)/%.h
+	@ mkdir -p $(OBJ_DIR)
+	@ $(PRINT) "$(WHITE_BOLD)Compiling source object $(WHITE)$@$(WHITE_BOLD)... $(RESETCOLOR)"
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Link to final binary.
+$(TARGET): $(OBJ_FILES)
+	@ $(PRINT) "$(WHITE_BOLD)Linking $(WHITE)$@$(WHITE_BOLD)...$(RESETCOLOR)"
+	$(LINK) -o $(TARGET) $(OBJ_FILES) $(LDFLAGS)
+
+# Clean out objects, binaries, and built artifacts.
+clean:
+	@ $(PRINT) "$(WHITE_BOLD)Cleaning up...$(RESETCOLOR)"
+	rm -rf $(OBJ_DIR)/*.o $(TARGET)
+
+# Get LOC.
+lines:
+	@ wc -l $(SRC_FILES) $(INC_FILES) $(GRAM_SRC)
+
+.PHONY: all clean test nocolor release run lines

config.mk

@@ -0,0 +1,24 @@
+NAME = terrin
+
+TARGET = $(NAME).out
+
+SRC_DIR = src
+INC_DIR = $(SRC_DIR)/include
+BUILD_DIR = build
+OBJ_DIR = $(BUILD_DIR)/obj
+
+CC = clang -std=c23
+LINK = clang
+CFLAGS = -Wall -DDBG -ggdb -fsanitize=leak
+LDFLAGS = -lGL -lX11 -lXi -lXcursor -ldl -lpthread -lm
+PRINT = echo -e
+
+SRC_FILES = $(wildcard $(SRC_DIR)/*.c)
+INC_FILES = $(wildcard $(INC_DIR)/*.h)
+OBJ_FILES = $(patsubst $(SRC_DIR)/%.c, $(OBJ_DIR)/%.o, $(SRC_FILES))
+OBJ_FILES_NOMAIN = $(filter-out $(OBJ_DIR)/main.o, $(OBJ_FILES)) # Object files without main.c.
+
+RESETCOLOR = \033[0m
+WHITE = $(RESETCOLOR)\033[0m
+WHITE_BOLD = $(RESETCOLOR)\033[0;1m
+RED_BOLD = $(RESETCOLOR)\033[31;1m

src/gen.c

@@ -0,0 +1,22 @@
+#include "include/gen.h"
+#include "include/col.h"
+#include "include/vol.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+void gen(void) {
+    srand((unsigned int)time(NULL));
+
+    for (int x = 0; x < VOL_WIDTH; x++) {
+        for (int y = 0; y < VOL_HEIGHT; y++) {
+            for (int z = 0; z < VOL_DEPTH; z++) {
+                if (rand() % 2 == 0) vol_set_vox(x, y, z, COL_WHT);
+                else vol_set_vox(x, y, z, COL_BLK);
+            }
+        }
+    }
+
+    printf("Volume initialized.\n");
+}

src/include/col.h

@@ -0,0 +1,18 @@
+#ifndef COL_H
+#define COL_H
+
+#include <stdint.h>
+
+// An RGB color.
+typedef struct {
+    uint8_t r, g, b;
+} Col;
+
+#define COL_WHT (Col) {255, 255, 255}
+#define COL_GRY (Col) {127, 127, 127}
+#define COL_BLK (Col) {0, 0, 0}
+#define COL_RED (Col) {255, 0, 0}
+#define COL_GRN (Col) {0, 255, 0}
+#define COL_BLU (Col) {0, 0, 255}
+
+#endif

src/include/gen.h

@@ -0,0 +1,6 @@
+#ifndef GEN_H
+#define GEN_H
+
+void gen(void);
+
+#endif

src/include/vol.h

@@ -0,0 +1,16 @@
+#ifndef VOL_H
+#define VOL_H
+
+#include "vox.h"
+#include "col.h"
+
+#define VOL_WIDTH 128
+#define VOL_HEIGHT 128
+#define VOL_DEPTH 128
+
+// The volume in which our voxels may be found.
+extern Vox volume[VOL_WIDTH][VOL_HEIGHT][VOL_DEPTH];
+
+void vol_set_vox(int x, int y, int z, Col col);
+
+#endif

src/include/vox.h

@@ -0,0 +1,13 @@
+#ifndef VOX_H
+#define VOX_H
+
+#include "col.h"
+
+#include <stdint.h>
+
+// A voxel.
+typedef struct {
+    Col col;
+} Vox;
+
+#endif

src/main.c

@@ -0,0 +1,21 @@
+#include "include/main.h"
+
+#include "include/gen.h"
+#include "include/vol.h"
+#include "include/vox.h"
+
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+    printf("Hello, world.\n");
+
+    gen();
+
+    Vox testvox = volume[10][5][20];
+    printf(
+        "Test voxel is (%d, %d, %d)\n", testvox.col.r, testvox.col.g,
+        testvox.col.b
+    );
+
+    return 0;
+}

src/vol.c

@@ -0,0 +1,12 @@
+#include "include/vol.h"
+
+#include <stdlib.h>
+
+Vox volume[VOL_WIDTH][VOL_HEIGHT][VOL_DEPTH];
+
+void vol_set_vox(int x, int y, int z, Col col) {
+    if (x >= 0 && x < VOL_WIDTH && y >= 0 && y < VOL_HEIGHT && z >= 0 &&
+        z < VOL_DEPTH)
+        volume[x][y][z].col = col;
+    else exit(1);
+}