feat: add experimental game engine & demo game, fix ACPI events

2026-03-18 14:26:50 +01:00
parent ffffb6a0c5
commit b5d2cc515c
42 changed files with 2237 additions and 12 deletions
@@ -0,0 +1,116 @@
+# Makefile for rpgdemo (Montauk Quest - 2D RPG demo) on MontaukOS
+# Copyright (c) 2026 Daniel Hammer
+
+MAKEFLAGS += -rR
+.SUFFIXES:
+
+# ---- Toolchain ----
+
+TOOLCHAIN_PREFIX := $(shell cd ../../.. && pwd)/toolchain/local/bin/x86_64-elf-
+ifneq ($(wildcard $(TOOLCHAIN_PREFIX)gcc),)
+    CXX := $(TOOLCHAIN_PREFIX)g++
+else
+    CXX := g++
+endif
+
+# ---- Paths ----
+
+PROG_INC := ../../include
+LINK_LD  := ../../link.ld
+BINDIR   := ../../bin
+OBJDIR   := obj
+LIBDIR   := ../../lib
+
+# Game asset source directory
+ASSET_SRC := ../../gameengine/Cute_Fantasy_Free
+
+# ---- Compiler flags ----
+
+CXXFLAGS := \
+    -std=gnu++20 \
+    -g -O2 -pipe \
+    -Wall \
+    -Wextra \
+    -Wno-unused-parameter \
+    -Wno-unused-function \
+    -Wno-missing-field-initializers \
+    -nostdinc \
+    -ffreestanding \
+    -fno-stack-protector \
+    -fno-stack-check \
+    -fno-PIC \
+    -fno-rtti \
+    -fno-exceptions \
+    -ffunction-sections \
+    -fdata-sections \
+    -fno-tree-loop-distribute-patterns \
+    -m64 \
+    -march=x86-64 \
+    -msse \
+    -msse2 \
+    -mno-red-zone \
+    -mcmodel=small \
+    -I $(PROG_INC) \
+    -I . \
+    -isystem $(PROG_INC)/libc \
+    -isystem ../../../kernel/freestnd-c-hdrs/x86_64/include \
+    -isystem ../../../kernel/freestnd-cxx-hdrs/x86_64/include
+
+# ---- Linker flags ----
+
+LDFLAGS := \
+    -nostdlib \
+    -static \
+    -Wl,--build-id=none \
+    -Wl,--gc-sections \
+    -Wl,-m,elf_x86_64 \
+    -z max-page-size=0x1000 \
+    -T $(LINK_LD)
+
+# ---- Source files ----
+
+SRCS := main.cpp stb_impl.cpp
+OBJS := $(addprefix $(OBJDIR)/,$(SRCS:.cpp=.o))
+
+# ---- Target ----
+
+TARGET := $(BINDIR)/apps/rpgdemo/rpgdemo.elf
+APP_DIR := $(BINDIR)/apps/rpgdemo
+
+.PHONY: all clean assets
+
+all: $(TARGET) assets
+
+$(TARGET): $(OBJS) $(LINK_LD) Makefile
+	mkdir -p $(APP_DIR)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) $(LIBDIR)/libc/liblibc.a -o $@
+
+$(OBJDIR)/%.o: %.cpp Makefile
+	mkdir -p $(OBJDIR)
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+# Copy game assets into the app bundle
+assets:
+	mkdir -p $(APP_DIR)
+	cp $(ASSET_SRC)/Player/Player.png $(APP_DIR)/Player.png
+	cp $(ASSET_SRC)/Player/Player_Actions.png $(APP_DIR)/Player_Actions.png
+	cp $(ASSET_SRC)/Enemies/Skeleton.png $(APP_DIR)/Skeleton.png
+	cp $(ASSET_SRC)/Enemies/Slime_Green.png $(APP_DIR)/Slime_Green.png
+	cp $(ASSET_SRC)/Tiles/Grass_Middle.png $(APP_DIR)/Grass_Middle.png
+	cp $(ASSET_SRC)/Tiles/Path_Middle.png $(APP_DIR)/Path_Middle.png
+	cp $(ASSET_SRC)/Tiles/Water_Middle.png $(APP_DIR)/Water_Middle.png
+	cp $(ASSET_SRC)/Tiles/Cliff_Tile.png $(APP_DIR)/Cliff_Tile.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Oak_Tree.png" $(APP_DIR)/Oak_Tree.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Oak_Tree_Small.png" $(APP_DIR)/Oak_Tree_Small.png
+	cp "$(ASSET_SRC)/Outdoor decoration/House_1_Wood_Base_Blue.png" $(APP_DIR)/House.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Chest.png" $(APP_DIR)/Chest.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Fences.png" $(APP_DIR)/Fences.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Bridge_Wood.png" $(APP_DIR)/Bridge_Wood.png
+	cp "$(ASSET_SRC)/Outdoor decoration/Outdoor_Decor_Free.png" $(APP_DIR)/Outdoor_Decor.png
+	cp $(ASSET_SRC)/Animals/Chicken/Chicken.png $(APP_DIR)/Chicken.png
+	cp $(ASSET_SRC)/Animals/Cow/Cow.png $(APP_DIR)/Cow.png
+	cp $(ASSET_SRC)/Animals/Pig/Pig.png $(APP_DIR)/Pig.png
+	cp $(ASSET_SRC)/Animals/Sheep/Sheep.png $(APP_DIR)/Sheep.png
+
+clean:
+	rm -rf $(OBJDIR) $(TARGET)
@@ -0,0 +1,8 @@
+[app]
+name = "Montauk Quest"
+binary = "rpgdemo.elf"
+icon = "icon.svg"
+
+[menu]
+category = "Games"
+visible = true
@@ -0,0 +1,69 @@
+/*
+ * stb_impl.cpp
+ * Single compilation unit for stb_image (PNG) and stb_truetype
+ * for MontaukOS freestanding environment
+ * Copyright (c) 2026 Daniel Hammer
+ */
+
+#include <cstdint>
+#include <cstddef>
+#include <montauk/heap.h>
+#include <montauk/string.h>
+#include <gui/stb_math.h>
+
+extern "C" {
+#include <stdlib.h>
+#include <string.h>
+}
+
+// ============================================================================
+// stb_image - PNG decoder
+// ============================================================================
+
+#define STBI_ONLY_PNG
+#define STBI_NO_JPEG
+#define STBI_NO_BMP
+#define STBI_NO_PSD
+#define STBI_NO_TGA
+#define STBI_NO_GIF
+#define STBI_NO_HDR
+#define STBI_NO_PIC
+#define STBI_NO_PNM
+#define STBI_NO_LINEAR
+#define STBI_NO_STDIO
+#define STBI_NO_THREAD_LOCALS
+
+#define STBI_MALLOC(sz)         malloc(sz)
+#define STBI_FREE(p)            free(p)
+#define STBI_REALLOC(p, newsz)  realloc(p, newsz)
+
+#define STBI_ASSERT(x)          ((void)(x))
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <gui/stb_image.h>
+
+// ============================================================================
+// stb_truetype - TrueType font renderer
+// ============================================================================
+
+#define STBTT_ifloor(x)   ((int) stb_floor(x))
+#define STBTT_iceil(x)    ((int) stb_ceil(x))
+#define STBTT_sqrt(x)     stb_sqrt(x)
+#define STBTT_pow(x,y)    stb_pow(x,y)
+#define STBTT_fmod(x,y)   stb_fmod(x,y)
+#define STBTT_cos(x)      stb_cos(x)
+#define STBTT_acos(x)     stb_acos(x)
+#define STBTT_fabs(x)     stb_fabs(x)
+
+#define STBTT_malloc(x,u)  ((void)(u), montauk::malloc(x))
+#define STBTT_free(x,u)    ((void)(u), montauk::mfree(x))
+
+#define STBTT_memcpy(d,s,n) montauk::memcpy(d,s,n)
+#define STBTT_memset(d,v,n) montauk::memset(d,v,n)
+
+#define STBTT_strlen(x)    montauk::slen(x)
+
+#define STBTT_assert(x)    ((void)(x))
+
+#define STB_TRUETYPE_IMPLEMENTATION
+#include <gui/stb_truetype.h>