open.mp Documentation
website·Indexed 34 days ago
https://open.mpTechnical documentation for open.mp, featuring a comprehensive list of tags and functions for managing NPCs, including weapon states, vehicle gear, virtual worlds, and combat actions, as well as core scripting utilities like strfloat and existpubvar.
What's inside open.mp
- open.mp is a community-driven effort to maintain and modernize the San Andreas Multiplayer (SAMP) experience. The project was created to breathe new life into the community and provide a sustainable alternative after the original creator of SAMP ceased active development and maintenance of the project's source code and infrastructure.
Overview of GTA SA Path Node files
Vehicle and pedestrian paths in GTA SA are stored in 64
nodes*.datfiles located withingta3.img. Each file covers a 750×750 unit square, starting from the south-west corner (-3000, -3000) in row-major order.Key constraints:
- Planes and trains do not use these files (trains use
tracks*.dat). - Mission-specific paths and concrete cars may be stored in
carrec.img. - Files in the
data/paths/directory are ignored by the game. - Nodes can be influenced via scripts using opcodes
01EBand03DE.
- Planes and trains do not use these files (trains use
Overview of the open.mp project
open.mp is a community-driven effort to maintain and revitalize the San Andreas Multiplayer (SA-MP) experience. The project was initiated because the original creator of SA-MP ceased maintenance and declined to release the source code, leading the open.mp team to create a continuation to ensure the community's survival.Overview of open.mp plugin development
Plugins for open.mp are developed using C/++ and the plugin SDK. While C/++ is the primary language, any language that supports the C application binary interface (ABI) may theoretically be used. To ensure a plugin is multiplatform (Windows and Linux), developers must use platform-independent code and compile the source in both target environments.Overview of open.mp plugin development
Plugins for open.mp are developed using C/C++ and the Plugin SDK. While C/C++ is the primary language, other languages that support the C application binary interface (ABI), such as D, may theoretically be used. To create multiplatform plugins (Windows and Linux), developers must use platform-independent code and compile the source in each respective environment.Overview of open.mp Launcher
The open.mp Launcher allows users to play GTA San Andreas multiplayer on both open.mp and SA-MP servers. It provides a modernized interface for server browsing, client version management, and game stability improvements.Overview of the open.mp project
open.mp is a community-driven effort to maintain and revitalize the San Andreas Multiplayer (SAMP) experience. The project was created because the original developer of SAMP (Kalcor) ceased maintenance and declined to release the source code or hand over control of the project. open.mp aims to provide a continuation of the multiplayer modification for San Andreas, ensuring the community remains active and the software is updated.Overview of GTA SA Path Node files
Vehicle and pedestrian paths in GTA SA are stored in 64
nodes*.datfiles located ingta3.img. These files cover the map in 750×750 unit squares, starting from the south-west corner (-3000, -3000) in row-major order.Key details:
- Planes and trains do not use these files (trains use
tracks*.dat). - Mission-specific paths and concrete cars may be in
carrec.img. - Nodes can be influenced via scripts using opcodes
01EBand03DE. - The game streams these files; only the active and surrounding areas are loaded. Files in
data/paths/are ignored by the game.
- Planes and trains do not use these files (trains use
Overview of the pawn scripting language
pawn is a simple, typeless, 32-bit scripting language with a C-like syntax. It is designed specifically for customizing applications by manipulating objects within a host application rather than for writing standalone applications. Key design priorities include execution speed, stability, simplicity, and a small memory footprint. Because it is a typeless language, it does not use a standard type-checking mechanism; instead, it employs a 'classification checking' mechanism called 'tags' to validate function arguments.Overview of the pawn scripting language
pawn is a simple, typeless, 32-bit scripting language with a C-like syntax. It is designed specifically for customizing applications and manipulating objects within a host application rather than for writing standalone applications. Key design priorities include execution speed, stability, simplicity, and a small memory footprint. Because it is a typeless language, it does not use a traditional type-checking mechanism; instead, it utilizes a "classification checking" mechanism called "tags" for function arguments.Overview of the pawn scripting language
pawn is a simple, typeless, 32-bit scripting language with a C-like syntax. It is designed for manipulating objects within a host application rather than for writing standalone applications. Key design priorities include execution speed, stability, simplicity, and a small memory footprint. Because it is a typeless language, it does not use traditional type checking; instead, it employs a 'classification checking' mechanism using tags.Overview of GTA SA Path Node files
Vehicle and pedestrian paths in GTA SA are stored in 64
nodes*.datfiles located withingta3.img. These files cover the map in 750×750 unit squares, starting from the south-west corner (-3000, -3000) in row-major order.Key constraints:
- Planes and trains do not use these files (trains use
tracks*.dat). - Mission-specific paths and concrete cars may be stored in
carrec.img. - Files in the
data/paths/directory are ignored by the game. - Nodes can be influenced via scripts using opcodes
01EBand03DE.
- Planes and trains do not use these files (trains use